383 tbi chip 7 roller rockers, performer cam, jegs dist, performer intake, stock TBI. Reply Like M mooselee Discussion starter Steve built a nice 50 state legal Dart 383 just like what I would recommend for any 4×4 customer. Regardless, problematic at best. To increase/decrease pressure not sure. Engine Specifications: • HP: 320 • TQ: 395 • Block: OE roller block 4 bolt main 1pc seal 1996-2000 • Bore/Stroke: 4. 050". 30 over K&N Air Filter Nov 3, 2020 · This thread begins with my truck (93 5. You must have a chip burned and headers to achieve the power ratings. cleaned and balanced by Witch Hunter Desired Idle? 600 Fuel pump circle one: Pump you supply in your kit Throttle Body size Bored to 47mm and milled Intake Manifold Edelbrock 3704 Camshaft duration @. Both TBI and TPI will have a tough time supplying 383 cubes above about 4500 rpms. May 14, 2013 · Who here is running a 383 w/TBI? The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board The vortec heads flow 25% more air through a smaller 170cc intake runner which builds air velocity faster than the larger poor flowing 182cc intake runner on TBI heads so vortec heads will make 25% more power than TBI heads at all rpms. It’s normally a good idea to get a pro to help set them up. Buyer GM base Engine, GM Crate Engines, SBC Engines ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP $ 3,035. To get it to run 'right', a custom burned PROM is definitely not a bad idea. Jul 6, 2014 · What's everyone's thoughts? Will be dropping in the vortec 383 in the next week or two and will be ready to run it soon. Update: Well, I threw a bid at it. GM 4. 7 -A new pump is in order to be replaced Blueprint Engines "383 Stroker" Engine Upgrade Engine BP38302CT designed to replace the stock 350 V8 TBI engine in the 88-98 OBS Chevy Trucks TBI chip programming Welcome to WordPress. Eventually flattens out and stops but returns if I blip the throttle. There are two other engines GMPP has Oct 16, 2004 · 383 TBI Build Up Engine & Drivetrain Sep 7, 2019 · JON’S BUDGET VORTEC SUBURBAN JIMS EDELBROCK 454SS PROJECT BRYANS 412CI SBC TORQUE BEAST JAREDS BLUEPRINT 383 PROJECT BARRYS 383 CROSSFIRE CORVETTE PROJECT RED DEVIL HYBRID VORTEC STEVES DART 383 TAHOE PROJECT Recommended 350 TBI modifications1. That isn’t enough to feed a healthy 483 even with a tune. I'll look for that listing on eBay. We offer custom performance chip burning for your specific application on any 1986-93 TPI or 93 LT1 Only Corvette, Camaro or Firebird. Show More This 383 engine is designed for 1987-1995 GM trucks with throttle body injection (TBI). Of course when I ordered it the engine builder swore it would run fine with my stock chip and TBI. I am going to run a divorced vacuum referenced adjustable fuel pressure regulator that will make tuning waaaay easier, but just about everything else will stay the same. Apr 30, 2006 · The size of the injector will tell you what horsepower you can possibly achieve. 7 comp, Edelbrock Performer heads, 1. The throttle body itself may need a little work to keep up with the motor's demands for fuel & air. Service engine light comes on when highway cruising so the computer still thinks its a 350 so is probably running lean. The TBI is my issue - I got the chip from edelbrock for the TBI which was the whole point in getting the whole package from them - so they'd provide the chip. Wonder which one works the best? Looks like the GM plate kind of splits the difference. Learn how your comment data is processed. Since a 383 is only 10% larger engine than 383 a vortec 350 will make more power than a TBI head 383. The last chip I got was from Apr 2, 2010 · you can get a chip from Howell EFI for a reasonable price, very nice people to deal withand serious seller too. The stock TBI is about 480 CFM if I remember correctly. 3 & 5. If we change the cam to say, 222/222 @ . I have a TPI that I plan to run off a Holley Terminator on a 383. Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some Corvettes, and 1962-1967 Chevy II's Feb 5, 2018 · The third paragraph above gets in a new chip programmed with new relationships of cam, displacement, and volumetric efficiency compared to MAP pressure to RPM to throttle position. It also gives me the ability to update the tune down the road if I want to change the cam, heads, throttle body, etc. First I start with a new Fuel pump, STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock. 00 Add Jun 24, 2012 · tbi on 383? Engine & Drivetrain Apr 3, 2008 · I had Brian at TBI Chips tell me exactly how to set it up and that he would burn me a chip to tie it all together. ECM needs a chip burned to run properly. Chevy Forums FREE technical assistance for your restoration and repair. Both are good cheap EFI options, but only May 29, 2001 · You'd almost definitely need a custom chip to get the benefits of the TBI. Even tried an Accel DFI TBI unit in batch mode which was much better, but still not right. Some have used bigger throttle body units from a 7. org Guys there have built TBI and TPI engines to whatever levels for their F-cars. they also told me a stock Rochester TBI can handle around 300 hp. 00 Add to cart OBD2 Pcm LS1 Simple flash $ 100. If you have any questions for him his email is jarbird67@hotmail. 4L Base) Wiring Harness Check engine light Fuel pump Fuel Pump Block Off Plate Adapter plate - Precision machined aluminum pocket plate Fuel tubes Installation instructions Avaiable in tool bar of this ATK HP engines feature a 24 month/unlimited mile warranty. I believe I have the wrong mask or xdf file May 23, 2014 · I need help, I put in a 383 stroker into my 89 GMC Suburban 4x4, 6 in lift, corp 14 rear, 4:10 gears. 050", then will the ECM self-adjust to it? Or would we need a new chip made? Same with, what about My setup: '92 C2500 tbi 383, vortec heads, short duration roller cam, 9c1 injectors. injectors @ 25psi, stock Vortec ('96-'97) fuel pump, Flowtech Afterburner Apr 10, 2006 · Has anyone out there built a 383 using the stock tbi setup successfully. What i've learned so far is that I"ll will have to probably go with the big block tbi unit for more flow and certainly put a chip in it. Rich Mar 13, 2017 · I’m running 80# big block injectors over a small block throttle body at stock 15 psi fuel pressure to feed a 280 HP/400 lb-ft 383 TBI crate motor. Here is the custom tuning form. 383, Comp Cams XR264HR (08-412-8), 9. Oct 15, 2021 · Discover the most common 383 stroker disadvantages. As I Aug 25, 2005 · I just dropped a 383 into my '93 C1500. 4L and others have gotten by with their stock stuff. But right now my main issue is in rebuilding the tbi pressure regulator. The best approach is burn your own chips, but there is a steep learning curve. Would this build require a new throttle body/ chip/ whatever else in order to make it run respectably well or is this a dream that will never come true? Any Jun 1, 2006 · There's some excellent applicable tech on www. The TBI will do a little better, but not much. Beyond this, one would need to consider adding another TBI unit to help with the extra volumetric requirements of such a hot engine. Δ This site uses Akismet to reduce spam. 1987-1991 were still SLOW computers with tiny chips limiting what can be done with the system. 00 Add to cart STAGE1 TPI Chip $ 225. Upon disassembly of the regulator there was a spacer used under the diagram. Jun 13, 2012 · FUEL SYSTEMS - 1987 Chevy truck TBI Upgrade - I have a 1987 chevy truck with TBI Injection. Engine size 383 Injector Size/Brand? Stock 55lb. I know it is running rich because it looks like its raining fuel inside the TBI Barry here has a VERY nicely restored 1982 Crossfire Corvette running a 1227747 computer system to allow programming for a little stronger engine. I recommend upgrading to the 1996 Vortec 155lph fuel pump which can support up to 450hp and plugs right into a factory TBI sending unit. Model specific subject matter experts, classified ads and more. 750” • Displacement: […] May 30, 2005 · I am working towards it, gonna put a 383 in my 90 burb. Jul 11, 2006 · A 383 is a Chevy 350 bored . 5:1 compression with a set of procomp 190cc aluminum heads and a comp cams 12 Aug 13, 2023 · Newbie here all. com and he would love to tell you about his truck. May 6, 2011 · Can anyone tell me if the stock computer will run a mildly built 383 or will I need to have a new chip burned? The ODB 1 only monitors and controls fuel and spark, right? Jun 25, 2003 · I want a engine for my tbi 87 blazer but cant decide which to get, the gm 330hp or the ht 383? I need the engine to work with my tbi ( i plan on getting a new chip, etc) but cost is a issue. /hr. Well, it does run fine but with hardly any more power than the 155K mile stock 350 had. 0" Throttle Body (454/7. The time now is . You're idea of the UEGO O2 sensor will aid in the tuning a carb requires. 00 Add to cart Custom TPI Chip $ 360. You will need 650-750 CFM for that 383. THIS KIT IS FOR A STOCK SMALL BLOCK CHEVY 383 (6. Sep 24, 2007 · I have a 94' C1500 Suburban, 383 Stroker, Hypertech chip, Edelbrock air cleaner, stock exhaust manifold (no headers yet), gutted cat and single Turbo muffler. May 24, 2008 · TBI Vortec?Cool! I noticed that you can get the aftermarket plates with the TBI holes either toward the front (barrels) in the middle or in the back. Apr 28, 2024 · If it were me I would bolt a Holley TBI on it, a self tuning kit. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80’s through 1995. . It looses its ability to discriminate small changes in power settings as the manifold vacuum is decreased by a long duration, long overlap, with a late closing intake cam lobe. 3 TBI you can add GM 5. Do you think that throttle body off a 454 would be suitable for a 383? Jan 29, 2023 · TPI would be great on a truck motor, but I wouldn't run the factory computer setup. 6:1, TBI (193) heads, Holley Pro-Jection intake, 454 throttle body with 80lb. TBI chip programming Ordering Contact Us Custom tuning form. Thanks. 7 TBI Injectors. 00 Add to cart Harristuning Knife $ 20. 2L) ENGINE Complete Fuel Injection System for Stock Small Block Chevy 383 Fuel Injection System Includes: TBI - Rebuilt 2. The next best option is to have tuners such as Wester’s Garage, Wait4Me, TBI Chips, etc, burn you a custom PROM for your application, particularly if you’ve changed the displacement, heads, and/or cam on your engine. Yes it has been chipped. This is your first post. Not Good. The timing is dead on but the engine idles very rough. Unless you're staying in the stock cam realm, I'd consider something that flows a bit more. Once I solved my usb driver issues, I thought I dl'd my stock chip. Jan 29, 2018 · My 383 is going to run a much bigger cam (Comp Cams 268), and I got a TBI spacer off of a early 454 TBI. The worst piece on the whole TPI system is the cold start injector or referred to as the 9th injector. 00 Add to cart Harristuning Sticker $ 5. Having a custom 383 being built for my truck. 30 over with a 400 Crank You can use your existing TBI Unit and Intake Manifold I would go with slightly bigger TBI Injectors or get a Holley TBI Unit because now you will be feeding 383 cubes and not 350 cubes Hope this helps 1993 GMC Jimmy 4x4- The Toy- Rebuilt 4. Install went rather well with the usual hangups throughout. Next is that Chevy Forums FREE technical assistance for your restoration and repair. Seeing the Always need these. I believe I have the wrong mask or xdf file Sep 7, 2019 · JON’S BUDGET VORTEC SUBURBAN JIMS EDELBROCK 454SS PROJECT BRYANS 412CI SBC TORQUE BEAST JAREDS BLUEPRINT 383 PROJECT BARRYS 383 CROSSFIRE CORVETTE PROJECT RED DEVIL HYBRID VORTEC STEVES DART 383 TAHOE PROJECT Feb 7, 2010 · Yes with a new chip and keeping the cam timing around 210 degrees with a 112 to 116 degree LSA. The small block units flow around 450 cfm and the big block units flow about 650 cfm. My engine should be around 450hp and 475 ft/pds of torque. They'll tend to swing for a bigger cam than I'd want in a truck, though. 040” x 3. I have a "starter" chip burned The chances that a stock TB chip will work as-is are VERY slim. JAREDS BLUEPRINT 383 PROJECT Jared has a nice 4×4 project here that visitors might find interesting. Truck is 700R4 also. I would like to know how and what to change to run the new EZ TBI from FAST. Many people have did the carb to aftermarket TBI, but no I have talked to has upgraded from a Oct 1, 2008 · The TBI you have is a bit small for a 383 there are several solutions the stock 5. 00 Add to cart OBD2 Pcm Flash $ 300. Get the Best Performance with ATK Engines HP05 High Performance Crate Engine 1987-1995 Small Block Chevy TBI 383ci / 320HP / 395TQ HP05 parts at JEGS. 7 tbi engine's cam is around 191/202 ish @. Larger Volume fuel pump 190-255 lbs per hour are normally used most applications. 3 Vortec Bored . Aug 8, 2011 · So I've been doing research about a tbi setup on a 383. I posted this here because I know a My setup: '92 C2500 tbi 383, vortec heads, short duration roller cam, 9c1 injectors. Stock computer is 6299 I believe with AWLB/ 7706 chip. Jan 3, 2014 · How far can/will GM TBI self-adjust or learn if changing things from stock? For example, stock 5. 00 Add to cart Harris Tuning Flashlight $ 15. 00 Add to cart STAGE1 TBI Chip $ 225. So will the system work without doing a computer mod? Can I just so the tbi mod and bigger injectors from a 454? It's a 1990 c1500 350 right now This engine was designed to run in a 1987-1995 Chevy Pickup with the TBI 350CI engine. It's an 87 block, 9. thirdgen. If you have any questions please feel free to contact us. Burning a chip will have to be in the cards if you want it to run. Chip must be programmed to work. Not many people tune the chips anymore an they are not as adaptable to chages as the OBD2 stuff. I'd recommend a carb for simplicity, price and the most power. May 2, 2007 · 383 Stroker TBI from Motorcrate Edelbrock Performer TBI Intake with 50mm Bores 50mm Throttle Body 90lb 454 Injectors 18 PSI Fuel Regulator Walbro Fuel Pump Custom Chip from TBIChips Problem: Idle Surge, sometimes from 400RPM to 1200 and sometimes from 800 to 900. I would just get the 330hp engine but I have heard that they lack torque in the low end and the ht383 Nov 15, 2019 · Just installed a 383 stroker in my '94 GMC K1500, has lots of power, tows great, but been told I should get a computer chip to tune it properly. Currently doing a engine swap upgrading to a HT 383. Should make for a very torque happy setup, which is perfect for a truck Learn the basics of tuning your own TBI/TPI/LT1/LS1 PCM, including timing, fuel curves and more; or just send your PCM to me for an inexpensive tune! Feb 3, 2019 · just curios if any of you have had success and noticeable power increases from either jet or Hypertech chips for tbi systems, I searched formum and had no results found. Motor consists of a nice 383 stroker kit yielding 10. The Oct 30, 2006 · I went through 6 chips from Westers Garage without being able to get it to run to my satisfaction. I recommend you get a block off kit off ebay and remove the thing and tell me when you order a chip so that I can program the chip to run with the other 8 injectors and that will solve a lot of cold start issues on these cars. So you can't get too crazy with these. 050 211 in 219 Aug 16, 2010 · Lastly, you will want a performance chip/tune. In all of the links between here, tunerpro and moates I havent seen any 7706 chips, nor does AWLB match my trucks setup. 7 TBI flows about 400 cfm using a 1-11/16s throttle, your engine would be happier with a 600+ cfm unit using about a 2 inch bore; Custom TBI Chip $ 360. Nov 16, 2013 · I did the ZIF socket install in my 1228747 ECU and custom tune for a 383 TBI / NV4500 myself and I am really happy with the results. Apr 17, 2004 · I was thinking of getting a stroked 383 for my "V" series Crew Cab with TBI, but after looking at a lot of different information, I have decided that running a 383 with TBI takes too much custum fuel and ECM tuning to be feasable, and still be smog legal. The early systems from 1982-1986 are just too old to do much with. Learn how to deal with the trade-offs quickly and without hassle. The TBI uses manifold vacuum what they call Manifold Absolute Pressure (MAP). This is a Blueprint engines 383 TBI with the world heads option. 00 Add to cart Lead Time: Estimated: 4 - 6 weeks default Aug 12, 2005 · TBI Stuff here PROM tuning here PROM tuning hardware here Info on your PCM here Learn how to build a data cable and download free datalogging software here I have learned so much about tuning the TBI computers its amazing what you can do. 7 stock TBI) having a too free flowing exhaust. My question is, is the 2nd opinion going in the right direction? This repeating condition needs to be fixed and am looking for the right solutions. So, my questions are will making the following changes make this Mar 21, 2010 · 383 stroke with tbi? Engine & DrivetrainAll times are GMT -4. Welcome to TBI CHIPS throttle body injection services. Basically, I've tolerated it for too long, and I've started looking at my options, which are. I've been trying to research it and have come up dry so far. Jan 14, 2019 · Also if I remember right a stock 454 TBI will help the 383 run better, I used the stock 350 TBI on my 383 with almost the exact same setup as you have currently with the exception of the chip I kept the stock 350 chip. The Check Engine light is always on because of the lack of backpressure for the EGR system. Retaining the crossfire setup has proven to be a little restrictive on the engine but still vastly outperforms stock. So I begin every project with a new upgraded pump like this Delphi since the AC Delco Sep 7, 2019 · Save my name, email, and website in this browser for the next time I comment. Edit or delete it, then start writing! Mar 25, 2010 · The stock TBI unit will feed an engine to right around 400-450 HP if it has Ultimate TBI mods. Shop Now at the Guaranteed Lowest Price! Sep 12, 2011 · Harris Performance TBI chip The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Nov 4, 2010 · This mechanic suggest he tought that the engine was running to lean and that the computer needed a new chip or the chip modified to properly work with the change from 350 TBI to 383 TBI. Edelbrock TBI intake came with the engine and I installed an EP381 fuel pump for supply. xoetb rrd cnue gbpz dwg dcqgxb kcbpl hygwl hoggm dpoog mdng vzpd srjur xrgmn tlnd