305 Tbi To 454 Tbi Swap

305 Tbi To 454 Tbi Swap

get some headers, 454 throttle body and get it chipped - just a thought. 305 TBI Swap For 305 TPI - posted in Third Generation Pontiac Firebird (1982 - 1992): I can bet that you guys have heard about a thousand of these kinds of posts, but I'm very curious. cng dual fuel conversion kit v8 chevy 1987-1995 87 95 gm gmc 350 tbi natural gas 5. the dash gauges on my camaro seem to be a little messed up. Shop Tbi 454 Now! Tbi Wiring Harness W Ecm 350 Sbc 454 Bbc Tbi Engine Swap. *RPO stands for Regular Production Option. Our new content-rich platform now features a blog with updated tech information, tips for successful stress-free installation, in addition to sharing customer experiences and the latest industry news. I just joined today so I can get more info on a question regarding a 305 to 350 TBI swap. 350 TBI to 454 Carb engine and tranny swap. 17091058, 17092081, 17112395, 17112584. I got a 454 engine from a crashed, what I believed was a, 1976 Chev or GMC 1 ton truck 2WD. My Issue Is I. My milage went up by 2 MPG when I did this and the my rig runs better. 2L Offroad - Emissions Legal $ 1,395. 7l Small Block Chevy. Replies: 2. How do I convert to carb from TBI? I have a 454 1994 and would like to get rid of the brain to have a stand alone engine and trans. we intend for it to be mostily street, but strip too. 3l LS powerplant, and it’s easy to see why our YouTube friend AGearHead4Life would undertake the swap shown in this time lapse. 7 (350) share the same TBI housing just bigger injectors I would think the 305 injectors would work good for a 302 GMC. I would like to know what parts are interchangeable? would I need a different fuel pump and need a new ECM or would the 305 ECM work with the 454? also would I need the wire harness from the 454 truck? any help will be greatly appreciated. 5 and I won't be running the risk of breaking another crank in 60k miles. The GM Performance Parts HT502 Emission Legal (50 state) Conversion Kit is designed for 1991-93 Chevrolet and GMC 10-, 20-, and 30-series trucks with two-wheel drive, originally equipped with a 454 TBI engine and 4L80E automatic overdrive transmission. Compare The Facts. Not all HD engines have the quadrajet to TBI adapter plate. If you do some searching on TBI's you will find out that they need higher fuel pressure than the GM manual specifies. Upgrade your carburated Classic Car, Truck, Jeep, Mud Bogger, OFF Road Truck, or Hot Rod to a Fuel Injection kit from Performance Fuel Injection Systems. The information will also help with LT1 engine swaps. Recommended 350 TBI mods; Recommended 305 TBI mods; Recommended 4. See Our Chevy Tbi Throttle Body In Stock Now. 2L Emissions Legal. I am putting in a 454 tbi bored 30 over with a mild cam. Also it's worth noting the tbi swirl port heads are a far cry from the vortec 96-2002 heads. ok i have been told u can take a 1994 s-10 with the tbi 4. It has different guts than the HEI. But if you're looking for gobs of power, it requires modifications (I want to say a stock 454 TBI is factory rated around 230-240 hp, and 370-390 lb/ft of TQ or so). 3 liter V-6 engines. the fuel gauge is all the way to the right showing way past full and will not move. They make a TBI-to-Vortec adapter intake (so you can run Vortec heads), a computer conversion that allows you to operate a tune on the fly computer with full time datalogging. View Details. I went with the 4 barrel intake for more options down the road. Plus, you can use any intake for SBC with a TBI adapter. GM HEI Ignition Module Wiring Preview. Locate Tbi 454 on sale below with the largest variety of Tbi 454 anywhere online. Re: 350 TBI performance mods. Some wear items you might consider replacing are the distributor (plastic body) knock sensors, power steering hoses,. I wouldnt say Im new to this but, I've worked on 350 TBI engines my whole life. 4 Engines 1985-91 (w/o the 4L60-E or 4L80-E transmissions): Our harness upgrades to the 1988-90 CK truck computer. Shop for discount 454 Tbi here. The secondary gasket seals the fuel return passages and is smaller than the larger main gasket. Engine Swap - 90 RS 305 TBI to Vortec 350 Swap - Completed the 305 TBI to 350 Vortec swap on my Son's 1990 RS Camaro this week. I used the stock TBI setup for the Fleetwood. TBI Fuel Injection Conversion using a GM TBI EFI system! One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM. The TBI EFI system may be fitted later after the three main modifications are completed. The Vortecs will flow more and be more efficient, but the TBI is only good for ~520 cfm @ 3" IIRC. got the cam in and today went to put the tbi and manifold on the 350 and he said the bolt holes don't line up. The TBI was fine when it worked, but on something like this that might be subject to water and mud and sitting outside a lot, perhaps simpler is better. If you are looking to convert your car from a 305 TPI to a 350 TPI setup, then you should find the information below rather useful. How to install a Holley Sniper TBI fuel-injection system on a big-block Chevy engine, and the benefits that go along with using EFI. Took 3 months of 40 hour weeks and $5000. The tbi i got came off a 7. The General Motors Rochester Throttle Body (TBI) is OEM original equipment. ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP, Call 866-721-2315 to Speak with an ATK Crate Engine Specialist www. 4th Gen Shifter Boot/Knob Conversion Kit. CAC1020-OE is a Carburetor Fuel Line for a 1982 Chevrolet Camaro 305 CID TBI to Fuel Filter Fuel - Pump to Carburetor Line made of Original Steel manufactured in our US facility using only the best American materials and latest technology. USB Find; USB override; Winaldl on Vista and Windows 7,8; VSSB. all the wiring i was told was the same even the ecu. No matter what you're driving, we have the right Tbi Conversion for your vehicle New and Used Automotive Parts and Accessories On Sale. never touched a TBI 454. Will you please yahoo or google: 305 Chevrolet Cylinder heads and read the long article posted in Stock Car Racing Magazine by Ron Shaver. Michigan Motorsports Oxygen O2 Sensor Extension 24 inch Wiring Harness Fits TBI TPI 305 350 Chevy Camaro Corvette. CAC1020-OE is a Carburetor Fuel Line for a 1982 Chevrolet Camaro 305 CID TBI to Fuel Filter Fuel - Pump to Carburetor Line made of Original Steel manufactured in our US facility using only the best American materials and latest technology. get some headers, 454 throttle body and get it chipped - just a thought. Throw all the blazer stuff back into the pu truck and live happly ever after. A new gasket set is recommended, but. Chevrolet Tbi Generally, mineral oil is the normal oil that oils your engine, yet calls for constant transforming. 73 50 TBI motor in my truck, had something go I need to replace so while I'm in the motor I might swap the heads and I take manifold for vortec. You have to tap off the exhaust manifold/header for the EGR with Vortec heads. 0L displacement. any help or suggestions would help. Remanufactured Gm Chevy 7. GM HEI Ignition Module Wiring Preview. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. TBI TPI LT1 4. 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. 0(305, and 5. Some of the components shown above may look different from what will be included with your kit. They force the air taken in by the engine to not only squeeze in between the edge and the injector pod but they also force air to enter primarily from the top. Welcome To The New HowellEFI. This is includes the LS1/LS6 5. 1L I just finished converting a 1969 ford to a 5. You have to tap off the exhaust manifold/header for the EGR with Vortec heads. As well So for same price basically (by the time you buy a carb intake, carb and HEI) you will retain EFI and it start and run every time. Chevy 350 Tbi Wiring Diagram. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram. Tbi Wiring Harness Wecm 350 Sbc 454 Bbc Tbi Engine Swap. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. what other info do u need of truck the motors all stock except i do have shoty headers with flow masters, taylor plug wires,tbi modifiation. Serving our valued customers for over 30 years. However, they can be improved. Not all blows or jolts to the head result in a TBI. I know that I'll need the 350 throttle body and injectors, but anything beyond that is where I'm lost. New and Remanufactured Throttle Body Assemblies for 305, 350, 454 Chevy, GM, GMC Trucks, Cars, Vans and 6 Liter and 7 Liter Trucks. 3 harness to the 91 4. Adjust the TBI. Kind of long video of my engine in my 91 SIlverado. Together, all the VIN numbers create a history about your GMC General Motors. I plan on putting new manifolds on it and dual exhuast. I am putting in a 454 tbi bored 30 over with a mild cam. How To Bolt On 25 Hp And 35 Lb-ft Of Carb-Approved Performance To Your '87-'95 5. so i took the 350 out of a '74 3/4 ton chevy my uncle bought new. 2l 258 Ci Complete Tbi Fuel Efi Conversion Kit. You may have to register before you can post: click the register link above to proceed. 7 (350) share the same TBI housing just bigger injectors I would think the 305 injectors would work good for a 302 GMC. Troubleshooting your TBI Fuel Injection System Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. mine has the 4l60e automatic 2wd. Will you please yahoo or google: 305 Chevrolet Cylinder heads and read the long article posted in Stock Car Racing Magazine by Ron Shaver. The TBI from a 305/350/454 will not work for me, as it is simply too much messing around with custom adapters. Is that true? Also will i have problems with the computer chip when doing this conversion. 99; Fuel Injector Cleaning and Serivce $9. These vehicles featured a 350 ci, 5. Painless Wiring makes the conversion from Carburetor to TBI real easy with there fuel injection wiring harness and a parts list of everything you need to make the switch. 3 uses the same connectors for sensors as the fullsize trucks/vans. 3l tbi and I toasted my 60e. Looking for the right Chevy Tbi Throttle Body today? Find your next Chevy Tbi Throttle Body and other auto parts and accessories for sale on Ebay today. Full System - Front Mounts on 7. 10AR, 235/85R16 LR E. 305 and 350 are different calibrations as Capt pointed out already and use whichever one is intended to be used with that ECM. Specifically, the book concentrates on how to put 1980s and newer Camaro, Firebird, and Corvette engines into older vehicles. Fuel Injection Wire Harness from Performance Fuel Injection Systems is Just what you need. '88 Camaro 305 TBI smog pump removal > 305 TBI? > > thanks, rip out the drivetrain and drop in a 454 with a tunnel ram on it. The tbi i got came off a 7. Best bet for a strong 4. Recommended 350 TBI mods; Recommended 305 TBI mods; Recommended 4. However, when it comes time to service your new engine, you may find yourself unsure or confused as to what spark plugs to use, what oil filter you need, or how to route the belt. i blew the 305 up. hey everyone I have a 1988 Pontiac Trans Am GTA with a 305 TPI. 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. 3 tbi to 305 tbi swap questions by coppers10 » Wed Jan 21, 2009 2:42 am nope no airbag in the wheel either. Does anyone know what it gonna take to swap a 305 to a 454 tbi in a 91 caprice and will it bolt right up with the existing motor mounts and harness can I use vortec id like to know my options because 305 swap to a 454 - Chevy Impala Forums. has any body done this in the same truck. REMEMBER FREE SHIPPING THIS KIT IS FOR A STOCK SMALL BLOCK CHEVY 305 (5. When you do business with Performance Fuel Injection Systems you can be sure you are in good hands. A VIN number is a 17 character alpha/numeric serial number unique to each vehicle, by manufacturer, make, model and year. 0L) ENGINE Complete Fuel Injection System for Stock Small Block Chevy 305 Fuel Injection System Includes: TBI – Rebuilt 1. GM TBI Swap. any suggestions would be very helpfull. Once you have it off, clean the surface of the heads and lifter valley edges of all gasket material, taking care that no debris falls into the lifter valley or down the ports. TBI is a simple, easy fuel system to maintain/work on. Find 454 Tbi on sale here with the largest selection of 454 Tbi anywhere online. we intend for it to be mostily street, but strip too. Find Edelbrock Performer T. Doing a 305 tbi to 350 tbi sbc swap. I bought it last summer. Recommended 350 TBI mods; Recommended 305 TBI mods; Recommended 4. ” Compare this to the 285 or so horsepower made by a bone stock 5. Jeep Fuel Injection Kit For 4. Okay,buddy has a 93 Suburban 350 TBI™. Find Throttle Body Adapters, Carbureted Manifold and get Free Shipping on Orders Over $99 at Summit Racing! JavaScript Disabled. The local junkyard is a u pull with a l. it has a 305 tbi engine and 700r4 auto tranny and I would like to swap it with a 1992 454 tbi and 4l80 auto tranny. Harris knows his stuff and I recommend without hesitation. that came with a 305. The Turbo 700R4 transmission has taken the conversion world by storm and is a good option for the same reasons as the TH350, with advantages in having both a lower first gear and a. I am going to get a new distributer, wires for it. Had one of them not been a TBI Guru, I probably would have stuck w/ the pane. 0(305, and 5. 7 injectors. the the adaptor that im going to buy is a mister gasget and then bolt the two together. REMEMBER FREE SHIPPING THIS KIT IS FOR A STOCK BIG BLOCK CHEVY 454 (7. the 350 crate engine you bought if for a 96-98 chev meaning it has vortec heads. A TBI 300 unit has one injector and two gaskets. I found out that the fuel pump is the same. What would you do to improve our website? We're always looking for ways to improve JEGS. Sometime the Revs drop too low and the car turns off while waiting at the light. I have been told it is nothing to swap out to a tbi 350. what equipment should be transferred to make this work? engine & computer ? just have to figure out how to wire computer for the 350 tbi into the truck right?. If not, here are alternatives I'm aware of: 1. It hasnt run right since. 1L I just finished converting a 1969 ford to a 5. The only documentation I could locate on Edelbrock's site was the installation instructions. How do you rate this product? 4th Gen Shifter Boot/Knob Conversion Kit. 00 for each additional tune Unsupported OBD-2 Flash ECM & PCM (click here for details) $5. My search yielded no results. Hi guys I am dong a TBI to TPI swap in my 90 chevy truck I will be having a lot of Having the correct wiring schematics for the TBI to TPI swap is essential! I agree on the wiring. randyb2004. I need brake booster, Vacuum 4wd and EGR. mine has the 4l60e automatic 2wd. Powered by Frooition All Items See our store for more great items Shop Categories OtherAUTO PARTS GMC CHEVY C/K Pickup Truck Camaro 305 350 454 Distributor SBC BBC EFI TBI 87-97 Item Descript. ALDL OBD1 Diagnostic cable; TTS Datamaster; WinALDL. Recommended 350 TBI mods; Recommended 305 TBI mods; Recommended 4. explain what you did in more detail to make it work for you. 750 TBI fuel injection Wiring Harness with diagnostic port to check codes Check engine light Fuel pump Adapter plate - Precision machined aluminum. If you are careful, you can remove these without damaging the gaskets. Actually a 4. also you will need to get an egr valve, tube & manifold from a 96+ at a junkyard. You'll need to pressurize the throttle shafts like a blow through carb, but the cool thing is that the regulator will rise with a 1:1 pressure ratio. The 454 TBI adapter is heated as well. Custom SBC (46mm) and BBC (54mm) TBI Builds. I've recently spun a main bearing and want to replace the 454 with a 350 tbi. I already had a good 454 and the donor truck was dirt cheap so after doing the math I will be saving about 2500 by doing the swap over building another 6. The guy before me pulled the carbbed engine out and installed a TBI 305 with 700R4 into the truck. How To Bolt On 25 Hp And 35 Lb-ft Of Carb-Approved Performance To Your '87-'95 5. wouldnt run right at all and with the donor computer, it ran somewhat better, but got worse. Stock 454 dual 2'' TBI unit will flow 670 cfm use one of those. REMEMBER FREE SHIPPING THIS KIT IS FOR A STOCK SMALL BLOCK CHEVY 305 (5. I've done Carbs, TBI, TPI, MPFI with an assortment of trannys. Chevy Tbi Distributor Sbc 305 350 Bbc 454 88 95 K1500 C1500 Truck Silverado. com as they have a setup to convert the stock TBi ecm to a flash memory and have tuning software. The early systems from 1982-1986 are just too old to do much with. ALDL OBD1 Diagnostic cable; TTS Datamaster; WinALDL. i would just take the heads and get a vortec TBI™ manifold, then its just a head swap. 99; Complete TBI Conversion Kit for Stock Big Block Chevy 454 7. Hopefully someone else can help you there. Write Review. I bought a 1988 Firebird GTA with a 350 TPI and i am putting the engine and rear end (with disc brakes) into my car (a 91 Camaro RS) and my biggest problem will be the wiring harness. we intend for it to be mostily street, but strip too. Additionally, it is the transmission often coupled with many of the GM TBI & TPI V6 & V8 engines that are the prime candidates for Jeep swaps. Don’t just swap them though. Each TBI has a complete one year warranty. He has a stock 87 chevy 4x4 with a 305 TBI. 3 uses the same connectors for sensors as the fullsize trucks/vans. GM TBI Swap. Okay,buddy has a 93 Suburban 350 TBI™. There are many others that will do the same thing but the 1227747 is most well known and documented and will be the basis for this article. Info and Part numbers are listed below,Any questions please ask Carb-Holley 600cfm #0-80457SA Intake-Wieand Street Warrior #8126 Fuel Reg-Holley #12-842. I'm in the mix of this swap in my crew cab but with a TBI'd 454 to carb. 1L I just finished converting a 1969 ford to a 5. How to fix high idle in park on 87 chevy truck with 305 tbi on the side of the carburetor is whats called the butterfly, the cable from the gas pedal is connected to it. Some wear items you might consider replacing are the distributor (plastic body) knock sensors, power steering hoses,. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. we would like to use a single turbo, but is it easier to use two?. I have an 89 suburban that had a 350 tbi. Basic connections are standard but it is easy to customize one for your needs. There are schematics. Fuel Sending Unit, 85-92 Camaro/Firebird V8, TPI, TBI, Refurbished OEM. Write Your Own Review. New oil pressure sender connector for TPI and TBI applications. Chevy Tbi Distributor Sbc 305 350 Bbc 454 88-95 K1500 C1500 Truck Silverado. There will be a lot of extra things, don't worry about them now grab it all as whole as you can. Read the tech article on Late-Model TBI Trucks Power Upgrades, brought to you by the experts at Chevy High Performance Magazine. Electrical-Wiring-Diagram. com, the official website for Custom Classic Trucks Magazine!. Looking for the right Chevy Tbi Throttle Body today? Find your next Chevy Tbi Throttle Body and other auto parts and accessories for sale on Ebay today. Swaping in a TBI Engine is nothing new. If your check engine light is on you more than likely have a hard fault meaning something is grounded out, unplugged, operating out of range or has gone bad. This pump is quieter and works much better. 5er fails they want a good bit of cash for a replacement engine. I already had a good 454 and the donor truck was dirt cheap so after doing the math I will be saving about 2500 by doing the swap over building another 6. I am just getting started and will add to it as more become available to me. 00 will be added to the item total. 3l LS powerplant, and it's easy to see why our YouTube friend AGearHead4Life would undertake the swap shown in. 1994 GMC TBI 454 swap out to 2004 6. My search yielded no results. 00 Chevy Tbi Distributor Sbc 305 350 Bbc 454 88-95 K1500 C1500 Truck Silverado. The complete TBI system comes with all components needed for a marine TBI system except for air cleaner, throttle cable/linkage, and fuel lines. The Gen III engine family has become the fastest growing swap, in part to the simplicity of the design, and the unlimited performance potential these power plants offer. The Howell TBI is a fuel injection conversion kit based on a TBI system found on GM 4. Now the 454 i do believe is just a direct swap out tho i would keep the 454 TBI heads handy just in case. 2L Offroad - Emissions Legal $ 1,395. now on with the rest of the procedure. I've done my research on swapping my 305 TBI (L03) for a 305 TPI (LB9). Full System - Front Mounts on 7. 3 power stroke, $3,999 7. Edelbrock makes a cam/intake manifold kit that might push it closer to the 200 HP mark? 20-25HP?? $350? 2. If not, here are alternatives I'm aware of: 1. Let us know what you think! Please use our Contact Us page for issues that require a more immediate response. No clue what year the van is, what i need to know is what I'm going to need to swap it over to a carb. The fuel pressure of a TBI isn't that far off for a carb. 5L DSL VIN P Online Service Repair Manual. For that reason, we're showing you how to swap an emissions-legal 383ci GM Performance Parts V-8 crate engine into your '96-'99 GM truck or SUV for a healthy increase in torque and horsepower. 1988-1995 305, 350, 454, throttle body. Just make sure every sensor that is on the V6 is also on the V8. 7L TBI engines. Anyone have any idea where I can look for one? I'm putting on TBI from a 90 Caprice cop car. Chevrolet Performance Parts - 12496821 - TBI Intake for Vortec Heads. Complete TBI Conversion Kit for Stock Chevy 305 5. Expect even more on modified engines. and getting a 4" cast iron block lift in the back to "rake" it a little unloaded, and try to keep it level when loaded or towing. I used my 350 motor mounts with polly inserts. 75:1 overdrive. 7lx efi (4 bbl. 3 liter V-6 engines. 0L Performance Fuel Injection Systems Complete stand alone fuel injection system kit * This is a complete fuel injection system kit. View Full Version : swap 305 vortec to 350 vortec; Vortec 350 to Vortec 454 swap; TBI to TPI swap;. Wasn't supposed to be there, but it was. My Issue Is I. On a Firebird or Camaro TBI, this if very easy, TPI takes a bit more. what parts swap from 305 to 350. If you are converting from TBI to TPI, you already have these lines. I was told that I would have to use a TBI setup and chip from a vechicle equipped with a 350 TBI and that the 305 setup I used would result in a real lean running vechicle. Holly tbi units bolt right on also and have the largest bore of all== tbi units are rated for cfm somewhat and using two I would go for 4. I've been having many issues with the TBI, it starts sometimes sometimes it doesnt. Fuel system will need a new pump Cooling system will likely need an upgrade, and a trans cooler Harness is a little more $$$ if you want to keep emissions. Is that true? Also will i have problems with the computer chip when doing this conversion. ON-GOING Mail-order tuning service (click here for details) $225. I've already made up my mind to take the 4. Tbi Wiring Harness Wecm 350 Sbc 454 Bbc Tbi Engine Swap. much more involved to convert everything over to the vortec (96 and up) motor. Engine Description 1981 D = 250 6Cyl T = 292 6Cyl G = 305 V8 2BBL Carb H = 305 V8 4BBL Carb L = 350 V8 M = 350 V8 Heavy Duty N = 350 V8 Diesel S = 454 V8 W = 454 V8 1982-84 D = 250 6Cyl T = 292 6Cyl H = 305 V8 L = 350 V8 M = 350 V8 Heavy Duty C = 6. 87silveradok20, Apr 23, 2019. 00 Select options; #HG305 GMC 305 CID TBI. Together, all the VIN numbers create a history about your GMC General Motors. My computer keeps burning out, leaving me stranded and I have had it. 4l Airaid 200-104 Cold Air Intake System Kit 88-95. Im looking into doing a swap from a 305 tbi to a 454 from a mid 90's pickup. Almost everything has an RPO code. Turn the throttle down by tightening the TBI. On my old 95' chevy w/ TBI GM actually upped fuel pressure to 30ish, and used smaller 4. Our new content-rich platform now features a blog with updated tech information, tips for successful stress-free installation, in addition to sharing customer experiences and the latest industry news. I've been having many issues with the TBI, it starts sometimes sometimes it doesnt. OHV, RWD, TBI, roller lifters, center bolt valve covers, high swirl intake ports, right hand dipstick 14093638 14011148 10054727 14088526 14088535. along with diffrent plugs for iac and tps. explain what you did in more detail to make it work for you. 7 Idle surging,stalling in the alt. How to fix high idle in park on 87 chevy truck with 305 tbi on the side of the carburetor is whats called the butterfly, the cable from the gas pedal is connected to it. What can I do to increase the power of my 1991 camaro rs 5. $200 in bowl blending, valve back-cut, v-guide reduction and a quickie de-burr and the Vortecs were posting some very decent #'s. I've been looking for an early 90's chev (2500 or single wheel 3500) that has an ext cab, 4x4, long bed and the 454. the plan was to put a mild rv cam in the 350, and put the TBI and manifold on the 350. New Chevy Tbi Distributor W Coil Sbc 305 350 Bbc 454 1988-95 C1500 K1500 Truck. This is an AMAZING improvement on my 1991 454 TBI P30 motorhome. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram. Re: 235 carb to TBI swap #73598 Wed Feb 21 2007 05:24 PM. 0(305, and 5. 00 – $ 1,560. Chevrolet Performance Parts - 12496821 - TBI Intake for Vortec Heads. Ok, so I have a 1995 chevy k1500 with a 305 tbi/ 4l60e, and I would like to swap in a 350 tbi. The throttle-body was equipped with a set of 200 lb-hr injectors, and bolted on its own two-inch spacer plate for consistency. So do i need a specific prom chip? cause the trucks is an 88 c10 so the computer is an 88 but the engine is a 93. It has what I would call a hesitation at low RPM's and like a surge. 1987-1991 were still SLOW computers with tiny chips limiting what can be done with the system. To swap the the TPI you would have a lot of work ahead of you. Re: 305 to 350 TBI swap. Plus, you can use any intake for SBC with a TBI adapter. I idles and part throttles like it should. Compare The Facts. Never done the swap, but having both a CCC car (1986 307 Olds G-body) and a TBI car (1993 D-body), the TBI is a bit more simplified in terms of how much "stuff" is attached to the engine, but slightly more expensive to service (cheap, but not as cheap as HEI). These vehicles featured a 350 ci, 5. I just sold him some 305 head's. 1991 Camaro RS 305 TBI V8 Automatic. See our Intake manifolds - 350 320 318 Chevy. its been a little better than 2 years now since the whipple let go and i changed things up, but i still havent been able to get into the shop for tuning and tired of trying and waiting. I plan on putting new manifolds on it and dual exhuast. These are the same products used by GM on factory harnesses, and the leads are GM color coded. Wiring Diagram Schematics for your Chevy Truck C 1500 Truck 2WD Get the most accurate Wiring Diagram Schematics in our Online Service Repair Manual You can't always trust out of date or expired printed Chevy Truck C 1500 Truck 2WD manuals when it comes to wiring diagram schematics. Genuine Mercury Marine, Mercruiser and Mercury Racing engines, parts, propellers. Imo it would be easier to swap the 7400 into the chevelle and if the one in it is original then just stick that in the corner. I headed back down to the local pull-a-part looking for Chevy/GMC vans again as this seems to be the most prevalent source of GM TBI era bits for Chevy V8’s. On the topic of TBI square bore adapters, the pics below are my "D" Port Design. Edelbrock is the most respected name in performance. Ok im taking out my 305 tbi and putting in a 350 tbi. I really want a 454 or 502 vortec but thats big bucks and I'm still in high school so I dont see that happening. 10AR, 235/85R16 LR E. Engines covered: Pre-Optispark small block Chevy V8s with TPI or TBI injection and HEI ignition with electronic spark timing (seven or eight pin HEI module) Much of this article will apply to other 1980s era GM cars including injected big blocks and even fire V6s. I did a MPFI 5. My personal opinion, if I had to do an engine swap with a TBI engine, it would be a 350 without a question, but I'd probably build the engine to a 383 and swap the TBI for a Holley carb. the the adaptor that im going to buy is a mister gasget and then bolt the two together. **** Update: Still waiting on warm weather to install the trans.