5.7 tbi mods

 

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ask. And it was 4x4, 3 inch body lift, and 33 inch BFG all terrains!!!S10 Vortec,TBI COG DRIVE SUPERCHARGER,GM 2. 0-454 TBI Cog Dr. If you want to keep the Aug 1, 2012 The 5. Each TBI comes complete with injectors, TPS, air control valve, and throttle body bushings. chaparralboats. 30/11/2010 · i had a 1500 95 gmc with a 4l60, stock size tires and 3. I am interested in hearing what anyone has to say about any mods they know of, whether they be aftermarket parts, mods to current parts or anything …23/11/2009 · There are many mods that can be done, some of the mods are cheap, but won't help you until you've already changed the cam and installed some headers. 7's generally speaking so what works from them regarding adapters works for the TBI. com/youtube?q=5. One issue I found when I swapped the old carbed 350 out for a TBI 350, was while driving my truck, I noticed that after using about 13 gallons out of a 20 gallon tank, if I stopped too hard the fuel would slosh forward away from the pump pick-up and the truck would GM 4. I can not say that it improves or hurts mileage as I have not ran a full tank yet, but it's looking optimistic. It would have been a really nice mod. Expect noticable gains in horsepower on 5. 7 tbi …11/09/2008 · On my 94 GMC 2500 with the 350 V8 TBI, I got really bad gas milage as well. 0 or a 5. These mods will work on ALL GM TBI. then, fuel rails and all that. 78pacervette. 8 and he installed a Transdapt throttle body spacer and same for him. 1994 GM 4. there are a ton of TBI mods you can do. Its going to get some upgrades real soon. Definately a turd. an example = look at my photo album. I got about 12-13 in the city and 16-18 on the highway after that. 7, 7. There is not enough appreciable gain by raising the stock TBI …7/01/2014 · The bottom half of the TBI 5. Supercharger System, Cog Drive Supercharger, GM S10,GM 4. 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. TBI LT1 LS117/10/2012 · In the near future, I may be swapping engines on my roadmaster because I have one good TBI 350, and the one in the roadmaster I just bought has blown headgaskets, so while I have the engine out, I figured it would be easier to do some mods to it. 7L TBI engines. 7 tbi vs 5. Delete the ridges on the lip under the injectors. Reviews: 109Used Whipplecharger / Supercharger. Mono Drive Supercharger. All of this sounded good. My next mod will be 1991 caprice 9c1 injectors and 2" TBI/spacer/intake bore from 1 11/16"17/05/2011 · I had everything to mod the truck, but wound up selling it before it ever happened. The big variable is fuel pressure. A friend has a '94 with the 4. i forgot to mention that i also changed the plugs and wires, also the cap and rotor. I recommend upgrading This is my attempt at doing the ultimate TBI modifications listed on this great site. Loading . TPS test and change, T25 Torex, K3500 Chevy 350 5. 3, but the exact same setup as a 5. Good for 50cfm of additional air flow which is fine on the 4. The best choice for the cash in my opinion is to get some vortec heads, the gm performance parts tbi …Status: ResolvedAnswers: 5CFM Technologiesmarine-performance-parts. 17/05/2011 · I had everything to mod the truck, but wound up selling it before it ever happened. 7 TBI Take your time follow instructions. OR ask us about our 50mm 7. 7+tbi+mods&v=lOmAN2QJqPc Feb 18, 2017 I just finished upgrading the top end on my 1991 Chevy K1500 5. 3 TBI Supercharged GM 1995 454 TBI GM Bad Boy TBI Trucks…Traumatic Brain Injury Training Kit: Module 5 Understanding and managing behaviour changes following a TBI 2 Workshop overview Aim This workshop explores the behavioural changes that occur following a Traumatic Brain Injury (TBI)16/06/2010 · So i just got done swapping a 5. Step upto Obviously the supporting mods like headers, exhaust, intake. 7. throttle body for mercruiser 5. The stock TBI small-block Chevy is a great starting point for a performance buildup. comCFM Technologies has been featured in Truck Magazine and Horsepower TV for our Chevy / GMC Performance Throttle Body Injection Parts. 3-5. All my TBI stuff went on ebay, and the buyer got a smoking deal on some great parts. You will need to get a smaller air cleaner or just keep the riser and not lower the air. you just have to weld bungs of the injectors. When I found the truck it was way too straight and in good condition that I couldn’t tear it apart. That will also give you great results. The parts we selected from Edelbrock, K&N, March Performance, and Jet Performance Products installed in a 4/03/2004 · Re: Mild mods for a 5. -tbi) gm 350 v-8 1997 engine & stern drive by serial number range and buy discount parts from our large online inventory. And, soak those injectors in a …28/03/2010 · A throttle body spacer really doesn't do much even on TBI beyond lighten your wallet. 13/04/2012 · Ultimate tbi mods work awesome on the obs. 7-454 TBI Cog Drive Supercharger,GM 4. If you do not already have these parts, Comp Cams makes a hydraulic roller lifter installation kit for O. 3, 5. i can put a 5. The donor is a 95 4x4 tahoe. GM Bad Boy TBI Trucks. com/auto-parts-detail/whipplecharger2/01/1995 · fits 5. 94/1. I am interested in hearing what anyone has to say about any mods they know of, whether they be aftermarket parts, mods to current parts or anything …The pellet type converter does not help either, but the biggest restriction is in the factory muffler – when you look at it you see a big 3” pipe going in and coming out, the problem is as soon as the pipe inters the muffler it necks down to 1-7/8”! That is even smaller than the old 2. 7 tbi engine i have a96 chevy truck need to replace engine. do they make aftermarket headers for these? And if I install a cam or maybe even a set of decent heads, will the TBIUltimate TBI mods This is my attempt at doing the ultimate TBI modifications listed on this great site. 3 engine with 4L60-E Tranny and wiring harnase, computer, motor mounts and all acceries such as A/C compressor, alternator, power steering pump ect. 7l bravo efi-tbi engine 5. The flexible intake tract hose just to the left of it. The 96-99 vortecs had great heads, arguably the best flowing production iron head ever. 7-liter engine in several vehicles from 1988 through 1992. To get it running all it needed was a new battery and fuel pump. 002294 is available for purchase online. Just curious what the thoughts are on reliability of this system, common problems, likeliness to get stranded by …30/01/2008 · you can run nearly any vortec head intake manifold you want. 7l alpha efi-tbi 5. I am wondering what can be done that can increase gas mileage and/or performance. The v8 will run decently with the v6 ecm (surprisingly) but as soon as i put a v8 ecmTPI Engine 350 5. Problem: With the engine running at idle, always when cold, intermittent when hot. 7 TBI. partrequest. they wereAuthor: boofighterViews: 587KUltimate TBI Mods - Kartch Customskartchcustoms. If you want to keep the cruze control then skip this part. The Suburban, C/K3500 and the G30 vans all had options for the 5. but if theres no a lot of play in it, and it doesn't binde, dont bother. 7 that I did the tbi mods to and it gained some decent mileage. The stock TBI unit is a very dependable design. I will continue posting updates and provide links from which I have researched. 7l bravo efi tbi gm 350 v-8 1995 Jamestown Distributors (800) 497-0010Phone: (800) 497-00105. Number one is to get rid of the tbi heads. Pepped it right up. 11743Jun 28, 2012 Remove the TBI, 13mm bolts 1 front 2 back. TBI mods, how to get the most power and Horse Power from your TBI engine. are there any bolt on products that are available that will increase the hp. 0 and 5. Heads I am going to use are GMPP Fast Burn Vortec aluminum, already have. TBI is a simple setup and I think a good setup for an engine swapvery simple and very dependable. 7 TBI engine I just pulled from my GMC pickup. Idle-5500 RPM Power! The Chevrolet TBI (throttle body injection) Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and a patented runner design that delivers outstanding performance with crisp throttle response. This is why designers didnt see fit for it to be optimized for the best flow characteristics. 7+tbi+mods&v=BTWb9LgkgHY Feb 19, 2013 A simple mod I found online to improve airflow to the throttle bores. 73 gears. 0 vortec multiportinjection want to know if i can put a 5. cab 2wd. 11/11/2012 · 5. I put a k&n air filter on it, complete tune-up, ran some injector cleaner through it, and a flowmaster dual exhaust. Overview File Issues. 7 350 Upgrades? i have a 94 c1500 with a motor from a 95 its still has the tbi setup i have longtube headers with a y pipe and 2 and a half pipe and a volant cold air intake i wanted to see what other performance parts you'd recommend for my motor and also for my transmissionStatus: ResolvedAnswers: 10'90 chevy 1500 with 350 5. its a 4. com/ultimate-tbi-modsLooking at the TBI I wondered if they even cleaned it off before reinstalling it! It was filthy! I had modified the TBI in a 1989 Dodge with the Magnum 360 with good results and had read about people having success with the same type of mods on 88-98 Chevy truck TBI’s. 7 tbi DONT TRY TO REMOVE THE THROTTLE BLADES. 4) at ProCharger. com › … › Car Makes › Chevrolet › Next21/09/2009 · Best Answer: Both the others are right. His …ULTIMATE TBI MODIFICATION. Also, since the TBI engine comes with a flat tappet camshaft from the factory, you will need the camshaft thrust plate, lifter guides, and lifter retainer. I drive about 140 miles a day, so increased mpg would be nice. 5 hp at Recommended 350 TBI mods 1. The owner gave me receipts from the dealer that showed a crate 350 was 9/09/2012 · The ultimate TBI mods are relatively easy to do yourself and will increase your TB airflow to about 520 cfm. 7/01/2014 · The bottom half of the TBI 5. It has about 96000 miles on it and runs great. 00 Trending at $206. Of these vehicles, the Suburban was the most commonly equipped with the 5. 4) superchargers and where to buy the ProCharger parts for the GM Truck/SUV. com Get details about the 1995-88 TBI (5. 0% positiveLocation: Jacksonville, IllinoisShipping: Free5. as the other 5. The Comp Cams part number is 08-1000. 3-2. 7/th400/np241c All I've done so far is the salad bowl mod, second snorkel on the oem air cleaner, msd box & coil, aeromotive 13301 fpr, and a 3" cat back exhaust. 0 liter V8. I had a 93 with a 5. I added a K&N filter and a Street and Performance throttle body spacer. 7l alpha efi tbi gm 350 v-8 1995 5. 7 V8 and TBI. A very noticeable improvement. Unplug sensors and hoses. ULTIMATE TBI mods stage 1 | GMT400 - The Ultimate 88-98 GM Truck Forum www. 7, will the computer out of an older truck work, as long it is a comp for a 350?18/10/2008 · Bolt on Mods To a 1992 Chevy Sport 1500 5. The truck put down a respectable est. It's too easy to blame the heads for the lack of power because it paralells the TBI naysayer tabloids. 27/01/2014 · I have a 1994 5. We specialize in not only GM TBI fuel injection performance and repair parts, but also carburetor spacers. gm-trucks. How much horsepower does a 5. Shop with confidence. 7+tbi+mods&v=40GleDNN5H8 Sep 16, 2009 Modded TBI 93 K1500. Traumatic Brain Injury Training Kit: Module 5 Understanding and managing behaviour changes following a TBI 2 Workshop overview Aim This workshop explores the behavioural changes that occur following a Traumatic Brain Injury (TBI)Our CFM Technologies patented #D416618 GM TBI Power Plates. Read the following article and you will learn tons about the TBI Chevy motors. I have before and after some mods. 7L TBI Mercruiser with Bravo 3 drive on a Sig 260. yahoo. 7 vortec chevy block13/03/2004 · I just bought a 95 Sierra 1500 Z71 with a 5. The 4. 5 valves. That's an inexpensive mod that pays off on the older trucks. roller blocks (which is what you have) that will include everything you need. Wynjammer Superchargers TM By For GM 1996-2013 Kits go to Wynjammer Superchargers. the trailer was a pj 10k 20 footer at 3000 lbs, on the trailer was a '74 chevy longbed with bbc, 4 speed and 36" sx's, around, under and in the truck was all our other crap. 4/12/2009 · 1988 Chevy 350 TBI upgrades Page1 - Discuss Chevy High Performance, General Discussion, and General Discussion topics in the Chevy High …TBI also emphasizes low-end torque-good news for any street rat. The injectors are different sizes. 25 Trending price is based on prices over last 90 days. The fuel supply and return nuts should be 5/8". 7l efi (2 bbl. 2L-4. On the chassis dyno, Patrick's 350ci (5. 7-liter. 350 TBI mods ?? Jun 19 2012, 8:50pm I have a 92 Sierra 2500, all i have done to it is put on a single 3'' exhaust from the y-pipe back with a dynomax bullet muffler and no cat. 7 TBI & CPI Vortec Kits, GM 305 Camaro Supercharger Kits, TBI, 305ci,Supercharger. 7L) engine developed a respectable 164. If you have an HO 305, you're a couple steps ahead of the game as far as 305s are concerned. 1 Year Warranty. Some background first. and let a machine shop do itwell worth $25. The basic mods of course are the best to start with ie. 8/04/2007 · i have a 97 198 spyder with a 5. preddy08 View Public Profile14/07/2010 · Really the only lame 350's were the 87 to 95 TBI engines, and then only because the heads had poor flow. 7L t. The throttle body is the shiny round object in the very center where the plenum would sit. 7 liter V8 and the Camaro Z28 would have as its optional engine, a TBI 5. 3l ext. 16/06/2010 · So i just got done swapping a 5. Brock Carpenter. The cables Ultimate TBI Mods. The v8 will run decently with the v6 ecm (surprisingly) but as soon as i put a v8 ecmthrottle body for mercruiser 5. 3-4. 07 5549 2777Download Latest File File. . 7 tbi 1998 mod mains,head bolts 3 lengths fly wheel bolts intake manafold bolts i beleive it is a 5. 0 Hi Perf Chevy with Tune Port Injection. The v8 will run decently with the v6 ecm (surprisingly) but as soon as i put a v8 ecm28/06/2018 · I was planning on a build very similar to yours, minus stroker in a tbi motor but got scared off due to tuning and a alpha one in a 1997 cobalt with a 5. 4/12/2009 · 1988 Chevy 350 TBI upgrades Page1 - Discuss Chevy High Performance, General Discussion, and General Discussion topics in the Chevy High …In Tank EFI Fuel Pump Conversion . 7l bravo efi tbi gm 350 v-8 1995 Jamestown Distributors (800) 497-0010Phone: (800) 497-00101998 5. The result is much more air flow and equalized fuel distribution. 7 is the same. flywheel hp of 292 hp  GM TBI Mod pt 1 - YouTube www. 7 GenIII Growler Cold Air Induction Mods, Engine Covers, High Performance Filters and Upgrades. 6/05/2011 · these are the few things that i have done to the truck so far. How do I do the ultimate TBI mods and are they worth it?Buy Edelbrock 3704PK at JEGS: Edelbrock Small Block Chevy T. 7 1500 Truck Supercharger, Wynjammer Supercharger TM. anything from props to tbi upgrades to reprograming to super chargers? any and all tested and tryed products or modifications with the amount of increase in performance and cost, would be appreciated. Jesse Rock. B. The best source for Mercruiser OEM parts, marine engines, boat & engine parts, accessories, boating supplies, tools, & aquatic sporting goods. I picked up an 89 Chevy short bed Cheyenne a while back. 1/03/2004 · What are my options on performance upgrades with the TBI setup? I have a '94 Siverado 4X4. 7 from an '88 Suburban with ~170K. Ignore the ignorant. 7/07/2016 · I have a 95 Chevy Silverado 4X4 that has the 350 TBI engine and I recently purchased a 5. gmtruckclub. The truck is a 1992 tbi 4. SUper easy 1995 Tahoe 5. Lookup MerCruiser 5. 7 and a 3:42 rear. I went to look at it because I was looking for a drivetrain for my 56 GMC project. The TBI spacer gave up low end power by about 4% but gave me 5 HP when I got over 3200rpm. Written by Gregs78cam. 14/08/2012 · ULTIMATE TBI mods stage 1 Discussion in ' Remove the TBI, 13mm bolts 1 front 2 back. The 454 is larger with close to 2 inch bores. E. And as for the Thumpr cams, my buddy had one and it wasn't all that impressive performance wise. i EFI mods? | Yahoo Answersanswers. 8-5. 3L and the v8’s with STOCK TBI heads. I'm going to give it a good clean, paint, and rebuild/replace items as needed as I go along before putting it in my RX7 that has a 305. I don’t do race vehicles. php?/topic/22026-1998-57l-tbi-ppoor4/12/2013 · Looking for help please, 1998 5. com/index. 7 tbi Anyone ???? hey just got a 1992 chevy sport ( sharp little truck ) 1500 shortbox 2 wheel drive, I was gonna buy the tbi induction kit which includes the tbi spacer,aircleaner spacer,tbi injector spacer, k&n filter and a new air tube with less resrtictions, this stuff really do anything is the question??? I was gonna put headers on and a …Newest Gen 111 F/S Kit Full Size Truck GM-GMC Tahoe - Denali 2 Yr Warranty Gen 3 CNC Billet T-6 Aluminum Impeller CNC Aluminum T-6 Anodized Mount 90 Deg S/C etc. b. 4L TBI …Seller Rating: 100. gmt400. It's not 9 Apr 2003 Read the tech article on Late-Model TBI Trucks Power Upgrades, brought to you by the experts at Chevy High Performance Magazine. 9 magnum swaps? I would love the 5. After adding the mods, we found that the air/fuel ratio went to an average of 14. 7 TBI gas mileage and performance - Gen III and IV Small https://www. com/forums/topic/26768-57-tbi-gas-mileage13/03/2004 · I just bought a 95 Sierra 1500 Z71 with a 5. headers, exhaust, etc. Step upto a 454SS T/B and injectors. This is done step by step with a ton of pictures so as long as you have basic mechanics skills and a manual at the ready you should be able to do this upgrade. Chevrolet put its 5. 7 tbi into my 1994 chevy c1500. It has the 193 heads and I've been told that they are 1. And if you convert from carburetion to a TBI system, all the small-block’s existing bracketry for the alternator, A/C compressor Welcome to Harris Performance. 3 ls vs 5. 7 tbi 1992-1994 1995&1/2 chevy chevrolet & gmc Part number 110201 No. 31/12/2010 · Chevy_finatic79, have you ever put your truck on a dyno. 7 that I did the tbi mods …7/07/2016 · I have a 95 Chevy Silverado 4X4 that has the 350 TBI engine and I recently purchased a 5. 5/07/2017 · This write-up is for pretty much all the TBI upgrades you can do. To purchase the part or to get additional information about the part before you purchase it, click on the View More Details button. has a 5. com/threads/ultimate-tbi-mods-stage-1. and gets decent mileage per the power. 10/03/2004 · I have a '93 1500 with a 5. - Duration: 3:40. Fits 5. MOD's Needed B &A. 7 cast or alums from the wreckers would make a big diff. 7 tbi. Site is run by me, Brian Harris for GM fuel injection options for the average guy. are $$$$ was wondering if a set of 5. the bed was fully loaded. E-Mail's Answered Promptly Please Include Name Address w/ Zip code8/05/2018 · 350 EFI TBI Mods, cam, heads, intake, tune, 383? I have a 97 Maxum 2100SR with the 350 EFI/TBI engine in it. Re: 350 TBI performance mods Jan 25 2012, 9:35pm You can call Crane Cams, or Edlebrock, or one of the other manufacturers and they will work up a package for you. preddy08 View Public ProfileFind great deals on eBay for 5. 7 TBI to Carb swap + Rebuild Questions | Chevy Truck www. 22/10/2010 · ^ Ignore the ignorant. Remove the throttle cable bracket, 13mm bolt front 14mm nut on the back. The truth is however, the heads are about the last …5/7/18 txt * Note: When we custom build your engine, you can choose from over 25 different colors or you can supply the paint to have your engine painted the same color as your car's finish!Learn more about: 1995-88 TBI (5. 7 383 6. 7 Tbi 1992-1994 https://www. One issue I found when I swapped the old carbed 350 out for a TBI 350, was while driving my truck, I noticed that after using about 13 gallons out of a 20 gallon tank, if I stopped too hard the fuel would slosh forward away from the pump pick-up and the truck would Holden Commodore VT to VX V8 5. Take your time follow instructions. Not streamlined for performance but rather for longevity. 25” system on the carb engines. 3L and the v8's with May 5, 2011 these are the few things that i have done to the truck so far. Expect even more on modified engines. 4:1, which is way too lean. Edit: Forgot about the tbi …11/07/2012 · 5. 7 Liter The General Motors Rochester Throttle Body (TBI) is OEM original equipment . I No chip changes or computer mods required unless entire 5. 9, awesome motor, weak trans ( unless I find a nv4500 which I would really love. Except at this time most automakers who dabbled in fuel injection tended to have reliability issues. Also, shed a couple of hundred pounds off the car and rework the suspension. My tbi didnt need it but I did the Ultimate TBI mod and rebuilt it with this gasket set and the truck runs better than ever. The stock system chokes back that 350 so much that you need to open it up. 7 $200. 0L V8. 7-6. 11/10/2010 · BUT, if you actually address the issues that restrict any STOCK TBI engine from making power above 3500RPM (exhaust, cam, Ult TBI-mods, tune etc. Modded TBI 93 K1500 - YouTube www. K1500 TBI 350 Power Build - YouTube www. 7L TBI - PPoor runing engine- Please Help - Boat forum. 7 TBI's are all the same CFM with 1 11/16th bores. 3L V6 TBI vehicles who need more power and low-end torque. after torque settings for mercruser after torque settings for mercruser 5. we used it to move from fargo, nd over the appalachians to norfolk, va. 1987-1990 350 CID 5. 0/ 5. 7 gsi tbi 280 hp. 28/02/2013 · 5. 7 1993 Z71 Chevy truck?? 02-23-04 07:17 AM - Post# 396928 In response to Axelrod I found what I think to be the perfect budget cam for these trucks. 28/06/2018 · I was planning on a build very similar to yours, minus stroker in a tbi motor but got scared off due to tuning and a alpha one in a 1997 cobalt with a 5. 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. and I would have a mopar plant in the jeep. a 97 is putting about 295 to 305 … to the ground in a single cab short bed with a 4l60e transmission. …20/10/2014 · I'm doing this with a 1990 gmc with the 5. In Tank EFI Fuel Pump Conversion . ) then you can have an engine that makes excellent power from off idle, to about 5,000 RPM. Even though we find that the performance upgrades provided an increase in power, we This particular engine is an L30 Vortec 5. com › … › General Chevy & GM Tech Questions21/01/2017 · Picked up a running 5. 30/01/2008 · you can run nearly any vortec head intake manifold you want. 4/12/2013 · Looking for help please, 1998 5. Our patented design enables each cylinder to draw air and fuel from both throttle bores. 3L and the v8's with 5 May 20114 Jun 201619 Feb 201318 Feb 2017Back in the early 1980's when the TBI system was on the drawing board, Mods you can make that will have no effect on vacuum start at the What mods to create more power from a 350 tbi. 2L Cog Drive Supercharger,GM 5. 1 product rating - TBI Throttle Body Rebuild Kit With Fuel Injectors Chevy Silverado GMC Sierra 5. Question is what is the max lift that these heads can tolerate, even if I have to upgrade the valves and springs. More than enough to support your performance upgrades. unles you are going to have the throttle shaft re bushed. It is recommended a TBI from about the same size engine to be used in your conversion or larger for high performance built engines. Intake I am looking at is the GMPP TBI to Vortec Intake, will need to bored to 2 inch to fit the big block Merc TBI The cam I am thinking about is the Comp XR276HR …15/02/2013 · Chevy 5. 7L Power Package (manifold 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. Jared 454. This unit is a PERFECT upgrade for those 4. The spacer woke the truck up in a big way. 22/11/2010 · Hi all, about to start my swap on my s10. 7 vortec have? depends on the year and if your talkin about just to the crank or to the ground and what the motor is in if your talkin about to the ground. Chevrolet decided the 1982 Corvette would come standard with TBI equipped 5. Chevy truck: vortec. 7 TBI, IAC, Throttle Position Sensor repair, 1995 How to time and a chevy 327Learn more about: 1995-88 TBI (5. TBI mods, how to get the most power and Horse Power from your TBI engine. 7L TBI engines were produced from 1987 to 1995, with power levels that . These late-’80s and early-’90s TBI injectors are intended to run at between 11 and 13 psi, although it’s typical to see the pressure down around 10 psi. 7L TBI 350 SBC. (Note that the required cfm of your engine has nothing to do with hp!!)Looking at buying a late 80's/ early 90's GM truck with a 5. 27/07/2010 · Actually, it isn't a TBI if its a 98that's a vortec series 5. First, granted the donor is a tbi 5