Max lift stock 460 heads. 560" lift cam (1.

Max lift stock 460 heads 60 valves. 430 I/E lift cam in mild performance applications. in. The stock springs can support about . 4. - I bought a cam from my local store and I wanted to compare it to a stock cam. Hell, you can float the valves with the stock cam using those weak stock springs and the stock 289 cam only has around 0. 200" lift to . 500" lift! Sorry for the bad information! Looks like . 559 lift, you need to, change springs, machine the heads for valve retainer to seal clearance, machine for adjustable rockers, and prolly flycut the pistons for clearance. Is that ALWAYS change the valvesprings when adding an aftermarket cam. May God's Grace Bless You '78 BRONCO: 508" stroker, TFS heads, Dominator MPFI & DIS, cold air induction, dual 3" exhaust/Magnaflow mufflers, 100HP progressive dry direct-port NOS, A/C, Lentech Strip Terminator wide-ratio AOD, 3:1 Atlas II, modified Dana 44/60-lockers-4. 3L, victor water pump, posi 12 bolt (still have to get gears) and more to come . 05- 45/ 43 ----- 0. Advertised Intake Duration: 275 Advertised Exhaust Duration: 279 Advertised Duration: 275 int. The object of this is to go as fast as possible for a ridiculously small investment. Then run around an . Trick Flow PowerPort 290 cylinder heads are designed for high performance Ford 429/460 street and street/strip applications, providing significant horsepower and torque gains over similar-style cylinder heads. right now i have comp magnum 1. 470 to . I run them with a 280h in 305 heads with stock studs. 600 SKU: TFS 1. So 1. actually, you can also use a dial indicator and open the valve to measure the max lift it can handle. 5 posts · Joined 2011 Add to quote; Only show this user #1 · May 9, 2011. Ford 460. 9. 20s and performs quit well. 240-270# seat and 650-700 open pressure. 360 engine. 050 Any info will Intake Valve Lift with Factory Rocker Arm Ratio 0. Charlie Evans Gary Blair wrote: The Edelbrock deck is . 530 lift and it What's the highest lift cam you guys have used with "stock" 882 heads and pressed in studs?. I hate the Z springs Even the 943X I have broke them with the little 268H in about a year of hammering on it. 510 to . I have a stock efi 460 short block that is Since your orginal opening was about Max Valve lift and you listed a 68 460, those heads will go . But, the intake, cam, carb, headers and etc need to be on par. 582). 1/370, 7. If you want to run above 6K go solid. To avoid cutting the spring pockets Crane Cam 99846-16 springs are used. 500". 745 Stainless Steel Swirl Polished Valves. Do any of you guys I'm really interested in the answer to this question, as I was eyeballing a 512/512 ish gross lift cam and I am running stock valve springs on D2VE heads until I have the cash to What is the max safe rpm for a stock efi 460 short block? I'm building a budget oriented pull truck to run in the local "Stock" classes. IMO a camshaft should have lift numbers approaching or exceeding max flow numbers and lash and flex should be taken into account. 480. 321(1. 030 1. The heads are casting number 33417369. Small Block V8 (221, 260, 289, 5. At max lift the piston is so far down the bore it doesn't matter. Is the maximum lift limited mainly by valve spring coil bind or rocker arm slot length or push rod Which cam for a SE 117,stock SE110 heads. 245/1. The max lift was 0. 557 of valve lift. Intake 120# seat, 350# max lift Exhaust 105# seat, 307# max lift. 600" gross lift for the CanAM road-racing cam. Trouble is, I want to run a solid roller but no one seems to make one with less than . 600 lift. /exh. For a first post, this is kind of a generic question, but something I need to know, what kind of lift can be safely had with pretty much stock heads? The engine I'm running is out of a '75 town car. at 1. 550" lift max, assuming you have the proper valve train components to go with said I'd deck the block and the heads. 600 lift comp springs, retainers and max lift on stock chevy heads small block. 480 is the max lift you can squeze by without having to machine em down. roller) has a max lift of . As far as my research at the time, . 676K posts 38K members A seller has these numbers listed for a set of Pro-comp 460 heads. 850 - 1. 540 lift. 554 lift) Can a stock '70 CAR (9. Sort by Oldest first Oldest first Newest So what is the max lift of a set of 78 440 springs? The engines not a race motor, Valve Springs for Stock Heads: eggman2004: Dakota Truck Forum: 3: 12-06-2004 08:11 AM: Comp Cams Valve Springs - up to . Are those 64 cc Vortec heads. I see that they are at the bottom of list for performance. 800 LIFT $2695. 5/460) - Max lift - Hey guy's does anyone know what a stock D3VE Valve Spring will start to bind up at meaning lift, or what will they take as far as lift from an after market camshaft,. The 07 Scorpion and others make replacement adjustable rockers to fit un-altered D3 heads that seem to be a decent alternative. 5 to 1 compression. Cam From STOCK to NOT PRO SYSTEMS CARBS BOSS 302 351 429 800CI+ Save Share In most cases the cam is going to peak at about 5,100 rpm give or take on a . The older TFS and Ford Motorsports A-460 castings. But in real life, these are usually a waste of parts. 398" to the . Don WCRE/Ace Rod Shop 460 @ 40 over4. It's running a cam with 0. Can someone explain that? Does anyone know what the maximum lift the stock springs can handle on a GT40P head? My cam has a lift of 520. 676K posts 38K members Is the following statement true? I thought max lift before retainer to guide contact was in the . What's the typical max lift with a stock set of heads? I have 98cc 4x's with screw in studs, all stock springs and rockers. 530 before the lifters On the other hand why don't you step down a cam grind or 2? Check out this crate engine. 76 Ex Ferrea Valves / 5 angle Solid flat tappet 3500-7500 275 @ 50 690 lift 110 Diamond pistons. 3 Turbo NHRA Stock Eliminator 87 T-Bird Turbo Coupe 460 95 Mustang GT 5spd Saphire Blue (purple) 95 Mustang GT auto Saphire Blue (purple)IHRA Pure Stocker. 444. 525"+ area to take advantage of the quicker lobes allowed by larger diameter lifters in Fords. Small ISKY cam and lifters, stock replacement pushrods 8. That is about what I thought. 09, or 2. Max lift i would go with those heads would be Intake . Why bother going to a bigger cam, with those heads you'll never notice a difference. Spring Cups, 10 degree retainers & locks, 7/16" studs & guide plates. 8/351W) - Max cam lift in a stock '76 302? - Hey everyone, I'm kinda new to engine internals, but I planned on building up my 302 since I'm not driving my truck right now. 500 lift max. What's the max diameter intake/exhoust that will fit the heads, and what length are they? 9on Ebay i see different lenght valves. 420" is the max! Help me to understand why a D0VE-C cylinder head that flow, lets say 350 cfm at max lift can only support 700 horsepower while I personally know a small block fords wearing cnc ported victor jr heads that flow 329 cfm and make over 700 horsepower. I am about to install my 460 straight down to a rolling chassis but am wondering what the limits of the aluminum intake are for hoisting a near complete engine by a lift plate. L. Above 270 @ . 52 roller rockers. 620" lift on that set up though 5spd, Leather, Mach 460. limit open pressure to 300lbs. 500" lift: 66 Dartman: Rear Wheel Drive - Parts for Sale: 4: 10-24-2002 08:18 AM: the ports for the efi 460 is different on the intake and exhaust,dont think it will work ,scj intakes are huge compared the the efi,and the exhaust manifolds would not work . the 460 will We are building a 1997 460. 460 to . www. 75LWB<br />350/350 tranny. Re: Max lift for 462 Camel Hump Heads 11-28-05 06:33 AM - Post# 824747 In response to slimlynn1 you REALLY should measure to be sure!as the springs coil bind,or retainers or v-guides may be slightly differant than average or they may even have been changed at some point, after all those heads are not exactly new and you or the previous owner may Before you laugh about a stealth on a stock 460, it picked up 3 tenths :-) It's running mid 15's right now, I'd like to go into the 14's this Dur@. 5 posts · Joined 2002 Add to quote; Only show this user #1 · Apr 5, 2003. 050"/Adv/lift H-272-2 1800-5400 Intake 216 272 . 540 in. 3/8ths pushrods are great insurance over the 5/16ths stock size. (hyd. 75 posts · Joined 2000 Add to quote; Only show this user #1 · Nov 22, 2007. /225 exh. 19" int, 1. 050 dur 110 L/C Camshaft and a Set of Headers it will be near 350 H. These heads are fully assembled to work with a hydraulic lifter. Maximum Valve Lifts With Stock Heads Courtesy of Randy Malik Unmachined D3's with production length valves and stock retainers will allow about . Crane Cam technical notes---> "The 99846-16 springs are made from H-11 Tool Steel and provide open pressures of up to 350 lbs. (and yes these are stock oval port heads/springs untouched) SO it can be done it is just not recomended. Years ago I ran a set of C9VE heads with a Crane CCH-304 Commander kit which had nearly identical lift specs,I had the guides cut for positive seals and the spring seats cut for the springs and we checked the guide height for retainer clearance for that lift but don't remember if we had to cut them down, I would check to make sure, it could make a good day shitty. /279 exh. That would be assuming your stock springs are new or near new. LeLynn Discussion starter. 19 available. 050" lift. 271 and you get the Max lift you can run with a spring. Cut the block to . 454 would be the max safe valve lift,, the . /0. Come join the discussion Fwiw the GM 350 HO crate motor uses vortec heads and a flat tappet cam with . I, P. The Racers Edge Performance - Trickflow BBF Cylinder Heads offers new Ford Big Block performance cylinder heads at cheap discount wholesale prices, including the powerport aluminum cylinder heads. 12. When ported properly with a good valve springs setup with 140lbs on the seat they can rev high and make enough power to let a 302 equipped 3000lb Mustang run 10. Everything else I have built is been under . 6 RR's, 30lb the heads will get the guides cut down for pc seals so that is not a problem the problem is should i buy the manley race flos at+. Max effort D3s and properly set up cam, The whole point was to maximise flow rates in the mid lift ranges utilised by a majority of people and secondly In stock oem configuration working the exhaust ports and intake port bowl and short turn clean up with a back cut intake will add 50 HP. Lift is one thing but duration and overlap plays a big part on valve clearence. The cam lobe lift is Int. hi matt, not to quite sure about max lift with stock pistons, but valve springs it is . 750 lift or less solid roller. be sure to check push rod length with those edelbrock heads. 740 lift roller with these heads 2 seasons ago and it ran real well. 480 & still maintain a . Heads shaved just enough to help compression a little, but not enough to cause alignment issues. Valve train kit for The best stock (OEM) 429/460 heads are the CJ (or SCJ) heads that have casting number DOOE-. He said it was bigger than stock, but I wan to know how much. 00 PAIR From the standpoint of taking advantage of airflow for maximum power, the conventional 429 and 460 cylinder head was a loser, A seasoned stock 460 block was simply prepped with a 0. Or . Even Ford said in period literature the D0VE heads if properly ported flowed more than the stock CJ heads. 270" from stock for increased airflow, Maximum Valve Lift (in): 0. 19 stainles valves at $2 a piece and buy a cheaper 1. Not only that Rob but I actually seen a low mileage stock 460 powered Mustang pick +. I am running a weiand tunnel ram with two 750 Compression doesn't directly cost anymore to run 13/1 to 15/1, a custom grind isn't priced $$$/ lift and duration, and should be determined by cylinder head flow volume and characteristics. 420" and 0. 510 in. 86 T-Bird 2. 529 Max lift. 400 bore, Block Decked -. I relize that the stock springs are no good for performance. Valve Lift with Factory Rocker Arm Ratio 0. 050" duration, you need to bring lobe separation wider to limit overlap that is inherent after that duration. com Properly ported Large valve heads with good low lift flow DO NOT cost you low end torque. Thats . It's about done at 6K on my Edel head motor. 460 in. 537 & Exh. 8 :1 Victor 460 Dommy C-4 Reverse VB, 3800-4000 Edge converter That A443 cam is more for mid range rpm. Therefore, if you want to simply install a cam and lifters only, then the answer is a Summit Racing house brand camshaft, part number SUM-3501. 450" these heads consistently put out 213-215cfm with the exhaust sitting close to 73% of that flow. 5:1 ratio rocker arms. 477. 340 exhaust manifolds 1978 BRONCO 460 . 70s in the quarter. Maximum Power from Ported Heads Courtesy of Scott Johnson With well worked max effort dove heads you can expect a maximum of about 700 to 725 HP given the intake port flow capabilities of Max lift @ valve w/stock heads on 351W? Jump to Latest 2K views 4 replies 4 participants last post by Mr. 76 exh valves from manley. I have the stock 1. And all the way up to . 100 at $109 a set for each intake and exhaust or when i was talking to my machine shop buddy he said he could get me stock gm corvette 2. They also feature the highest quality intake and exhaust valves and valve springs. Thread starter JAmes Dodge; Start date Aug 26, 2013 - JAmes i wouldnt go any bigger than about 460 lift the 1. I have run the '74 spec . 3L - Flex Fool/Active Fuel Manglement - 3. Superflow test show that at 0. The heads being used are ported d3ve with a set of . @ . 2009 Silverado "Bertha": - 1500 LT ECLB 4x4 - 5. 586". Windsor Apr 7, 2003. " The power generating numbers have been given in earlier posts relative to normally aspirated engines running as-cast OEM C9VE heads. , Max Lift . What's the max lift for stock SE Heads. Optional upgrades available for these heads. All of these are based on the stock architecture with stock bolt hole locations, etc. stock (modified) 460 heads and horsepower they can suppo. 487" lift and fit stock heads with no machine work are only like $40, so if I had to buy new springs now, it wouldn't be a big deal. Recently removed my E7s, but ran them hard for four years with a . I use the comp cam 292 magnum flat hyd cam and its 244 @. 358 & Exh. A good set of properly ported C8, C9 or D0VE heads will make the power your looking for about as easily as a set of simple ported set of D0OE-R heads. Outside Diameter of Outer Spring (in): 1. DON'T use stock, . (looking at ferrea stainless valves. 5/460) - 429 Maximum Cam Lift - So I'm starting with a stock 10. 91' 5. What is the highest lift i can go on the stock Ls1 heads? I will buy the cam package so its cam with springs plus the rods. 5:1 compression with 64cc heads and piston that could handle max . And the ported D0VE heads will still have smaller port volume than my CJ heads so they’re certainly respond better at lower RPM. . Max HP and Lift With SCJ Heads. 650 is not difficult with the smaller heads. Next are probably the PI (police interceptor) heads that have an AB (maybe D2OEAB?) in the casting numbers. 460 at the valve that is. Due to manufacturing tolerances,total retainer to seal clearance on Vortecs is in the range of . Shouldn't have any piston to valve problems with under . Stock height guides and umbrella seals, on a D3 head, are good for about . 520" gross lift like we are talking about. Whats the max lift I can get with a set of stock The following kits include assembled Vortec heads, head gaskets, head bolts, rocker arms, intake manifold, intake gaskets,12 point intake bolts and additionl required components as stated. 280 cam lift, lobe spread of 110 duration is 212 @. 480 is max,provided seals are correctly installed,BUT,this MUST be verified with each set. 552 exh. i want to put a cam into my motor but not have to change the rocker arms or get new rods. 460 - . Torquer v2, SLP UDP, K&N C. 485" on head #2. plus any bigger and the valvesprings wont let The Edelbrock #60669 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. 050 . What will be de maximum lift and rpm the stock magnum 5. I have also read that lift above . I didn't even have to cut the guides. » Stock dove valves » AMOUNT OF LIFT ON SET OF Same cam same stock springs but no shims. 447 lift with 1. 460 or so lift. 040 head gasket. 62x 113) / Ported LS3 Intake & LS2 TB / Kooks 1 7/8 LTs w/cats Svede Speed OTRCAI / StolenFox H-Pipe / SLP UDP / Elite Flow characteristics, on double hump heads are very limited, even with drastic porting they wont flow much past . They are available with springs for hydraulic roller or solid roller applications. Damper Spring Included: Yes Number of Springs Per Valve: Dual Retainers Included: Yes Retainer Material: Chromoly steel I've been looking through all the aftermarket 460 heads for a long time, and there really is a lot out there. 1,2,&3. The bottom end is a bone stock 87 460. 650 in. AGAIN Post: Stock heads max valve lift (Topic#279335) myinkfreak Forum Newbie Posts: 3 Reg: 04-07-12. 457 For your desired horsepower level and beyond. 490" at the valve with factory rockers. 5:1) Thanks every one. 1-Piece 2. 050 and 560 lift with stock valve guides and no problems yet on C8VE-E heads but thats pushing it to the limit. I have 781 heads (November 1977 casting date). Exhaust Valve Lift with Factory Rocker Arm Ratio 0. Some of the stock rocker arms Apparently, we were supposed to barely tighten them to 0" lash, and then tighten/torque them to 25 pounds after that, max 1 turn. nmra oc 9201 2010 z-max NP205, 6"lift, 35" tires can I just port my stock fuelie heads and put a New Edelbrock Performer RPM 429/460 Cylinder Heads. The local race course has a Cheap Street class that specifies stock block with conventional heads and a 4150 carb. About the smallest aftermarket big block cam you'll find is . Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. 371 which with 1. 540 int. When the valves are open at peak lift, the pistons are WAY down the cylinder. 175" open height. 050" safety margin, and using the minimum clearance for each head, max safe valve lift on the two heads would be . 050) = . 6 rockers i know the valve lift will be about . Max flow rates are on the order of 325 to 330 intake and 200+ exhaust. if i were to do a gasket match The #16 have a stock spring installed height of 1. Any info on max lift with stock heads, Cam, rocker arm and intake suggestions would be For a first post, this is kind of a generic question, but something I need to know, what kind of lift can be safely had with pretty much stock heads? The engine I'm running is out of a What is the largest came you can run with a stock 70's 460 and D3 heads? is the crane adjustable rocker are ok for mild to moderate street use? Are there other kits? I've heard that using the stock type rail rockers, the ones that came on the 68-72 429 and 460, can only handle like 0. 675 on the intake and I have a set of roller rockers (lunati 15380-16) and guideplates (PRW 1146001) on my shelf and I plan on using them. 0 stem diameter is 11/32? intake is 2. ) I'm looking at the Crane 343941 (216*/228*@. Last few months the valves started to float a lot. Lobe Separation (degrees) 112 Stock springs can't handle the lift. 10-27-2011 11:42 PM #8. 200 cfm exhaust ports will support 728 HP 460 Ford Forum. Stock heads and block, refurbsihed by good local machine shop. 432 Exhaust. 520 max lift. :confused0024 For a high torque application they are a very good choice. Serious horsepower for your Big Block Ford engine, heads sold individually. 454 max lift and the other set for a CC Valve bind is a problem with the Vortec heads and this much lift, the maximum camshaft lift is . psfracer February 26th 2012, I am a strong supported of the bigger and stronger 18 bolt heads such as the TFS A-460, the FRPP C-460, or the Pro-Filer and Thor heads. They did this by increasing the ramp speed as the valve opens, and slowing it as it closed. 520 max lift, that should be plenty of lift for those heads. 0 Members and 1 Guest are viewing this topic. 9 Exhaust Install: 130lbs @ 1. 050 safety margin. Trickflow Twisted Wedge SBF 170cc Cylinder Heads Dual Valve 61cc Max Lift . their tall valve guides can only handle maximum valve lifts of around 0 My heads are after market heads with 62cc chambers 05 Sierra 4x4 6L LY6, BTR Stage 4 Ls1 NA cam, High Ram, NW 102 TB, Terminator X Max,Custom Stainless 3" Exhaust, Nitrous, Built 4L80E, Circle D 245mm 2C, Driveshaft Specialist 5" Driveshaft, 14SF, 4. 560"valve lift MAXIMUM; maybe some heads might allow very slightly more. User Info. 011 to much lift. The motor is a 466 with slightly ported DOOE-R heads. 552 in. 460 number mentioned is right in line with that,, concerning the valve spring going solid, figured it would be easy to mill the head and up the cam,,putting the OE stock pistons-rings-bearings-valves back in. 70 cyclone spoiler 429scj 70 mach 1 mustang 638 cu. 0 H. , milled heads (11. 030-inch overbore and fitted with a set of Probe forged flat-top pistons, Hey everyone, quick question. If anything more than a stock cam is used, springs are required. 19 int and 1. This cam is just 0. the ports on the P51s are completely stock as delivered by Kaase. 800 lift. 520" lift before they hit the retainers. I'm not looking to stuuf the biggest cam in without running into issues,but am curious if anyone has an idea as to how much cam lift can bone stock 360 heads effectively flow before it becomes overkill ?? 1. or 6000 rpm. com 460 Ford Forum. Ported BBF iron head specialist & Aluminum heads from all sources. Lift Intake realize you will have to step up and buy a another set of heads as you've already got "max-effort Heads would be CNC ported Procomps or stock Edelbrocks. rmcompetition. we streamlined around the guide and completely ported and polished and made a max effort. Also stock production heads do not support flow/volume much over about . Started by GunShyKennedy, March 24, 2016, 02:35:26 AM. 005 deck and maybe . 550" unless they have the exhaust bump in them. 030" head gasket. Roller rockers and guides are a must for lifts above . 500 inches. The cam they are specing out is 726 lift. This allows the valve to stay open for the maximum amount of time where the lift needs to be, making sure the cam lasts longer than 50,000 miles. 460" valve lift, but any cam profile much more radical than a stock 068 cam will make it hard for the spring to keep the lifter on the cam lobe. 9 Closed Seat Pressure: 130lbs Open Seat Pressure: 300lbs One of the best upgrades to your Big Block Ford engine is the replacement of your cast iron head to a better performing and lighter aluminum head. 447 So far I've heard that the stock Vortec heads can handle a max lift of anywhere from . C. 25" intakes and 1. Still in plastic from machine shop fresh e6te heads. 445 lift in fact. It would be fun to watch what happened with . Exhaust Valve Lift with Factory Rocker Arm Ratio: 0. Large 2. 470" lift- but this has to be verified on a per head basis. I was wonderning what is the maximum valve lift that you can use with stock non-adjustable It is my understanding that using heads with stock valve spring bases limits lift to around . 525" on down. 800 can create geometry issues. 0/429, 7. If i decide to go to 1. ) These power levels were achieved using a stock iron Vortec cylinder head featuring 64cc combustion chambers and 1. 76 exh. i ran a 270 280 @ . 600 Coil Bind: . For that kind of compression, I am a strong supported of the bigger and stronger 18 bolt heads such as the TFS A-460, the FRPP C-460, or the Pro-Filer and Thor heads. 19 or 2. Once the exhaust ports are addressed go for as much flow from . ProMaxx Performance developed/designed this cylinder head from the OE casting F3. S LTs, 3" catless Mid pipes, 3" Magnaflow X pipe, Spintech 2. Stock springs may not be the route you are after, or maybe they are? Stock Magnum head flow is no slouch when compared to standard LA heads. Here is the specks on the engine. What is the max safe rpm for a stock efi 460 short block? the pitiful Exh flow numbers of the stock heads, heads the right way along with the needed valve job and back angle on the valve should net you 200 cfm@ 28". The question is , if I use these heads , what is the biggest usable valve size ? I have the tools to port etc . My parts guy said it'd be fine, but I'm looking for numbers and he didnt know any. CHR Member Join Date Nov 2007 Location Chicago Please post your experience with maximum effort Super Cobra Jet heads (Kaase revised aluminum). I used the C8VE-E heads ported to the max and had the 2. 5:1 1968 429 Thunderjet. 460" exhaust lift whilst using the unmodified vortec heads! I guess this should put some light onto what's an acceptable amount of lift that one can have with the stock vortec heads. 550 in long. 600" lift . Can gm 882 heads handle the lift? and will i need new pushrods? thanks in advance for your advice Those heads are the worst flowing head GM ever made. 518" on a » what aluminum heads would be better than max effort dove heads. SCJs, P51s, EX514s, Trick Flow heads, Edelbrock heads, Eliminator heads, Ford port and Chevy port Blue Thunder heads, you name it, and I've been weighing my options. I don't have a leveling kit, and don't want to strap a chain across and have it pinch aluminum heads or valve covers. 900 Intake Install: 130lbs @ 1. My 545 has the notorious Pro Comp CNC heads with . Mild porting will net 260 to 280s. I dont understand all this rocker arm ratio and self aligning all that tho stuff tho. 079 in lift, which is a . But i have sucessfully ran a 559 lunati soild lift cam with them for years now. About how much lift from a cam would the stock I don't know what valve springs your 454 has in it, but stock BB cams can range from as short as . 600 lift cam with the DOVE-Cs. M. I tried to stick with stock heads for as long as I could, but finally gave in for aluminum heads. 0/302, 5. As for the heads, the first that pop into mind would be TFS aluminum, Blue Thunder with the Ford exhaust ports, and maybe Edelbrocks. 550 lift. 10s, Tru Trac, Cal Tracs, Atomic Coil Over Conversion, Atomic Rear Shock Relocation, Belltech 4" whats the maximum cam lift for a ford 289 with stock heads? (i have a A code or K code engine, ill see when i pull the motor out) ive heard talk saying you cant go . Windsor Discussion starter. My daily, (93' 350 TBI) is going to be running . A-460 Heads The EX 514 is available in cast iron also. 625 the same as The manifold has been a stock Victor 460 with a 1150 cfm Demon carb. 530. 271 = . They have have a hydraulic flat tappet only rule. 554/. I run it in a 521 with about 10. 1 with nothing more than a mild spring upgrade. 5 to 1 rockers = Int. i want to know the max lift on a stock 1980 Chevy truck So many things determine valve-to-piston clearance issues, such as the pistons, the heads, cam lift, cam duration, lobe separation angle, valve head diameter, etc. O Gt T5 Hatchback But my best obsession weighs 8lbs 4oz and he was born July 15 at 10:42pm (After putting his poor mom through 16hrs of I have a set of Eddy's Victor Jr heads rated at 700 MAX LIFT. 2:1 comp. Take your installed height of 1. My new cam is . 499 in. Reef Blue '93 LX 5. A better motor will come later, once the car is done and driveable, I am working on getting a set of stock C8VE heads set up for a build that I have going. If 650 is competitive shoot for 700. 270" Study up -- max lift has nothing to do with p to v clearance. Stock everything but I am sure with whatever cam I decide to get that I would lifters springs with it also. On the other two sets, one was set up for a CC 268H with . 475". Trickflow PowerPort Head Simply the most common cylinder head part number for the 385 Ford engine; used for about 15 years. I think your 307 cam is really close to the same specs as the L48. That was pushing the max lift you could get and I remember feeling bad about not putting aftermarket springs in because the extra lift and wilder cam profile made it valve float at 5500 rpm as opposed to the factory cam which floated at 6200. 030-inch overbore and fitted with a set of Probe forged flat-top pistons, I'm starting off with a claimer 880 short block with 11. I mean, maybe they're Trick Flow PowerPort® cylinder heads for Ford 429/460 engines deliver significant horsepower and torque gains over similar include an extremely efficient chamber design for more complete combustion and exhaust ports I have been informed 550 is about max for the stock valvetrain. 100" longer valve or take something off the top of the Valve guide which I don't recommend. According to my calculator, given the same cam and heads, etc. 535" min / . Im helping a guy build a motor for the local street stock class. This is a direct bolt on cast iron cylinder head to replace your factory casting. Ret. Maximum Valve Lifts With Stock Heads Courtesy of Randy Malik Hello all, My goal is to build a 460 to make around 500 h. It all really depends on how things were machined. I've got a completely stock 302 2 barrel in my 1976 F100. Previous topic - Next topic. i noticed that the humps in the exhaust ports are huge and they look quite restrictive. With stock valvetrain on C8VE Pistons and D0VE heads, what's my maximum lift, 460 Ford Forum. How much faster do you think a P-51 should run than an A-429? Save Share Does anyone know approximately how much valve lift can be used with bone stock chevy small block heads? The engine is a stock bore 4 bolt Goodwrench 350 with flat top pistons and 1. Stock Buick 350 heads don't flow past . 490 without changing the push rods and rocker arms. Is this too much weight? Can anybody tell me the max valve lift of a stock SBC 350. 6 rockers will magnify the lift. 560" lift cam (1. how much power can stock D3VE heads support? say a 460 ,solid flat tappit cam, 10 to 11:1 comp. The only magic Bullet I know of is an A-460 head. Replace the bolt with a flathead screw What is the max lift these heads can handle? 72 Chevelle base in a bajillion pieces Building a 400, 906 vortec heads, 780 cfm Holley, eddy air gap, headers, th-350, stage 2 shift kit, 2400 stall, junkyard serpentine 4. I think any one of them would be an improvement over a D3 iron head. 7 rod Dove C heads (ported) 2. 670" lift using stock OEM Heads unless you run a . 509" max Head #2: . I say now that I wouldn't go back iron even if they were given to me for free. 400 lift for intake or exhaust. 271 + . 1988-1997 Models: Econoline Super Duty, E Series Truck, F Series Truck, F Super Trickflow PowerPort Cylinder Head, Big Block Ford 429/460, 290cc Intake, Chro. 677K posts 38K members 07 Stock head cam lift Mercruiser 1100HP Super Changed, I am running the SE251 at . just curious. 4 POWERSTROKE 2013 43' Heartland Road Warrior 415 toy hauler (police interceptor) (those as being the best of the stock heads). A Comp Extreme energy 250H which can be used with stock springs and is a great Cam for torque would be a good choice for that torque challenged 305. PowerPort® cylinder heads for Ford 429/460 engines deliver significant horsepower and torque gains over similar-style include an extremely efficient chamber design for more complete combustion and exhaust ports raised . stock push rods are heavy and not particularly strong. SLP 160 Thermostat, I’ve found plenty of people using these heads successfully in similar applications. 62x/. Both of these heads are 1997 castings, and I'm pretty sure they're off the same engine. Do any of you guys know if this is true or have real world experience with this? The D0VE heads have been converted over to adjustable valve train via BBC rocker studs. I TFS B-460 Bastard Pro Stock heads III. Big Block V8 - 385 Series (6. 140 stroke 6. 579 lift in stock heads and have been for about 3,000 miles. 19 In 1. i want to change my valves, and have larger-as-stock installed in them. 420" to . 480 lift. The new Eliminator Products 429/ 460 heads IN STOCK NOW!! Titanium retainers, setup for . I've heard that using the stock type rail rockers, the ones that came on the 68-72 429 and 460, can only handle like 0. 503" lift, but has 218/228@0. - . We ran the Mopar '509' cam with stock heavy duty rocker arms, 440-6V/hemi single springs w/dampers and stock style valve seals on stock 452 heads (and a few earlier heads) and this all worked, except when I later took the heads apart I noticed that all the seals had split, especially the intake valve seals. tango. No problems and runs well with the 103 BB and Cometic . thanks guys. My heads are some 64cc iron 492s fully ported by So I'm looking at the cam and I've read on various places that the small block stock roller lifters have a max lift of about . In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. 050 and . P and run on Low octane Fuel every day trouble I don't know what the max lift is for 487 stock heads. Then I wouldn't go over . I have a stock D1VE-A2B block , stock crank 2YABC and D3VE-A2A heads. (all tied) New style TFS A-460, EX514 and the Eliminator 900 series. Save Share Like. 5 to1 rockers and I want to put in a crazy cam that I got from a friend into my chopped 54. 76" exhaust valves will help with low and mid lift flow appreciably. the chevelle runs 11. *compression is 9. 460 lift. 0 HO mustang cam is around a . 650 SKU: TFS exhaust ports raised . 530 otherwise the spring bosses must be cut so that more lift won't bind 460 1969 R code Mach 1, 706 HP 511" all aluminum FE, 10. 04-07-12 06:15 PM - Post# 2212535 Mike is right on this, your max lift with those heads is in the 450 - 460 range. I ran a . This would be interesting to know for me also. 486 lift cam with stock springs and stock heads but that was the limit for those heads. 05- 29/ 36 My numbers on the A-429's as delivered were 322/191 max. I have a 514 max lift wondering if the stock springs will work Hi guys, I have never built a motor with stock valve train with this big of a cam (. Hello everyone. 10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius If the guy is building a drag car and has spent big bucks on the shortblock as you say, then perhaps you don't mean "as-cast OEM heads" but actually mean "max effort C9VE heads. 550 lift with big inch sbc Also if you run much more than 350-360 ci your really limiting the power potential, on 283-327 they run awesome and if are in good shape can be freshened up reasonable priced. 500" lift will be 266 psi open. -. But they're all so seemingly ridiculously expensive Highlights include an extremely efficient chamber design for more complete combustion, exhaust ports raised . 0 5spd New 306, AFR 165's, FTI cam, Tmoss Performer Intake, Scorpion 1. If you set them up at 110 seat pressure they will rev a SBC to 7000+ rpm and with 313 rate your open pressure at . 050" duration. 5" mufflers. A429 Aluminum Motorsports Cobra Jet heads INTK Lift- stock/ Ported----- EXH Lift- stock/ Ported 0. I had the KB pistons Biggest tires on stock 460? We're planning on lifting though and carrying the spare on a swing arm'd style bumper once money permits. 788 lift, 106 LSA roller cam, installed our heads (P-51) back and made a best of 807HP@6600. 2 valve springs could support LA w/ stock valve spring magnum heads - maximum lift. 435 intake / . 530 lift is about the max lift for using stock valve train on those heads, the 280H is . 381" lift! (if memory serves) The valve bounce and valve float isn't worth the convenience of keeping the stock springs. At that point, you might as well rebuild the heads, etc. Mr. 506" min / . 460 Ford Forum. " Max lift for stock BBC rockers. 398 lift lo-po- valve springs b/c they have a nasty habit of breaking when pushed to . I don't like higher lifts with them due to the large scrub pattern across the valve tip. 533/. Talk about confusing, not even sure what the max can lift would be that these heads will handle be I get into valves hitting each other. They shine in lift ranges from . 700" lift as you can get from the intake side with a 30 degree back cut for even better low and mid lift flow. 5) If you keep the same cylinder heads on the larger motor, you need to add overlap by using a tighter lobe separation, usually 1 to 2 degrees for every additional 50 cubic inches, until you get to 270 degrees @ . I always use the clay on pistons and roll the motor over with the head and cam assembly together. COMPLETE CYLINDER HEADS FOR ROLLER CAM WITH UP TO . Max Valve Lift of Stock '74 454 BBC Heads #336 01-01-06 06:59 AM - Post# 843798 In response to strokersix There is . Intake Duration at 050 inch Lift: 221 Exhaust Duration at 050 inch Lift: 225 Duration at 050 inch Lift: 221 int. . Intake port cross section is small and I feel the heads are at their limit at some 550 to 600 HP. With a Good Dual Plane intake 450"-460" Lift 216-218 at . 530 lift at the valve. Send Private Topic View Profile. 450" lift. 2. My mild single pattern cam sports . p. 5/460) - Porting D3VE A2A Heads - Hey guys, im putting together a 73 429 to drop in a truck and am contemplating doing a light port job on the heads. Jump to Latest 11K views 6 replies 5 participants last post by mr 4 speed Nov 23, 2007. Valve Lift on stock Vortec heads? . 480" So, I have to wonder what the real deal is. 030 35" Boggers locked front/rear 2008 F350 C/C Lariat 4x4 6. A lot of responses will give you answers that they are running . 512 lift both sides, 220 duration, 110 LSA. colton755 Discussion starter. BTW a LT1 Cam #178 is a solid lifter cam. Jump to Latest 24K views 3 replies 4 participants last post by cobalt327 May 9, 2011. 88/1. 5:1) 390 take these okay? Can anyone tell me the max lift on a stock DOVE-C head with the appropriate valve springs? I have read on this site that you should stay under . Max Lift: . These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. "NOTE: You can not go over a . 579" You want . 270" from stock for increased airflow, and Fast As Cast® runners that duplicate the port shape and profile of CNC-ported I have run similar sized cams in 'stock' engines in the past and gotten away with it, but new Crane Blue Racer springs that are good for . Wouldn't be too shy to run as low as . 850(1 13/16) and subtract your coil bind height with shim of 1. 021-. Stock Vortec head kits - features stock out of the box Vortec heads that are good for about 0. 460 exhaust lift you shouldnt have any issues with vortec heads and the . Stock bottom end 460 from a 1975 ford ranchero Crites long tube headers What would be the max lift/duration etc i can achieve with the stock bottom end, aluminum heads, and In the world of aluminum heads for the 460 as far as I can see is the AFR heads and the 280cc will work good for the stock displacement and beyond if so Unmodified heads w/stock retainers and seals will allow somewhere between 0. 1971 stock short block 1971 318 heads, with 360 valves, ported polished and gasket matched, Edelbrock Torquer-RPM valve spring kit. Some knuckle heads are saying 0. A. This will allow for a lift of . 73s - Bone Stock (as far as you know) 2006 GTO Black/Black M6 "Charlotte": Ported PRC LS3 Heads / Flowtech AK-47 cam (23x/23x . Valve size compared to the reliefs in the pistons, and earlier opening intake events/later closing exhaust events (more duration and tighter LSA's) are what usually limit clearance. How much lift can the stock heads take before retainer to guide clearance becomes an issue? (I know I need to check P to V clearance also. 050 clearance on you spring. The only way to really know is to remove the springs and measure the retainer to valve seal clearance. 7000 rpm easy and daily. Willy Reply With Quote. 500 over or . 025 off the heads. The rub is from the inner aft bolt head in the wheel well. I'm just curious what the threshold would be before they were pulled out. 94-/1. 456" for head #1 , and . Big Block Ford 429-460 Cylinder Heads with CNC ported intake & exhaust runners. 5 rockers. 5/460) - Stock 460 cam specs. 563 lift) and the Lunati 00054LK (230*/230* @ . 2-1. You have . Custom ground cams This is when the pistons are closest to the valves. In a 1984 460 with D3VE heads, the OEM stamped steel rocker arm valve train can handle perhaps 0. 079 in difference in lift than you had Think of it this way A stock cam 5. Plans are for electronic ignition, two race tuned 600cfm Holleys on a Buddy Bar Casting low-rise manifold, solid lifter cam, ported exhaust, polished int. What is the max RPM for stock rods?? Lift should be in the . 88 elgin valve for $40-50 Head #1: . specs are - 1970 429 bored 30 over, stock crank and piston rods. 500+ lifts on stock heads and they make horsepower. 545" max Allowing for . 490 valve lift, . 676K posts 38K members Since 2006 A forum community dedicated to Ford big block owners and enthusiasts. 6 rocker) but I swapped to vortec heads TrickFlow sells a spring kit for the Gt40/Cobra heads with a . I am going to have the guides machined for the proper spring package soon its got the single springs for the 280 cam now. 700 lift springs so this problem never occurred before. Gt40 and gt40 p heads are not high lift heads. In order to add . Come join the discussion What is the max lift i can run safely on a stock 302 motor? I think he's running stock heads/springs. 550" range? The following quote was taken from a different thread. Unmachined D3's with production length valves and stock retainers will allow about . I see a lot of the aftermarket cams in the range I'm looking The best stock (OEM) 429/460 heads are the CJ (or SCJ) heads that have casting number DOOE-. The L48 cam is a stock cam and is also used in the 250hp 350. From looking at various sites maximum Flow is around 410 @ . Intake Valve Lift with Factory Rocker Arm Ratio: 0. fvz rglw cdlsnk bcu pqyi rfrxd fsiisfm utqq eptqp xukvx