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  1. 1989 tbi chevy k5 tbi & ign. Wiring mess,

    Hotrodding Basics
    89 K5 blazer TBI sbc . I find myself throwing my hands up more than not on this little big project truck....b4 reading take into consideration I'm no pro with electrical side of things, once it gets more then these TBI fuel injection electric fuel pump I turn around for my 78 Monte with the...
  2. SBC 5.7l 350 TBI 1987 K5 No CEL, no idle, no power/seems to misfire

    Modern Electronic Engines
    Howdy, just about to lose all my hair here. Only 25 and it isn't genetic. Problem: Driving along fine all day, pull into driveway and it dies before I can turn the key off. Symptoms: Starts up fine however unable to pull codes (no check engine light...used to come on occasionally), but very...
  3. Build: 1989 Chevy Caprice 9c1 (350 TBI)

    Hotrodding Basics
    I just purchased my first car ever, and made it one that's been a dream car since I was a kid. I bought a 1989 Caprice 9c1 with the 350 TBI engine. I don't have very much knowledge about this thing or how the TBI works, but my plan is to slowly build it out to be a fun cruiser (and burnout...
  4. T.B.I Vortec GM Performance Manifold

    Engine
    I pulled a 5.7L out of 1998 suburban to have an engine with the Vortec head and am fitting it into my 1994 K5 Blazer using the GM Performance TBI Vortec Manifold. Anyone done this one? Do i need to ensure the bypass from manifold to water pump is installed? Any problems to watch out for?:sweat:
  5. Chevy 350 TBI: Idle Air Control Valve

    Hotrodding Basics
    Hi All, What should happen to a Chevy 350 TBI engine if the Idle Air Control Valve is disconnected? Engine is running, warmed up, and the vehicle is parked.
  6. Which Elgin cam is best for TBI Torque?

    Hotrodding Basics
    I have seen a few Elgin cams mentioned here, If I can't put a GM roller cam/lifters in my 1995 Yukon 5.7 L05 TBI block, I am curious which one of the following three would be the best from idle to 3,000 RPM, (the zone I drive/tow with my Yukon) CAM# W/1.5 LIFT @.050 Opens Closes...
  7. 94 SBC TBI Heater Hose Routing

    Engine
    Can anyone help me with routing my heater hoses and core on my 94 Chevy 350 TBI? It is in my Jeep, so there it no radiator dump. I have a port coming off of the top of the intake manifold, passenger side, by the distributor. This is currently connected to the core, then goes to the thermostat...
  8. 89 350 TBI running poorly

    Engine
    So as the title states i have a 1989 C1500 Scottsdale with a 350 TBI TH700r4. I belive it has the stock gears though i was told it has 3.73. Anyhow there are a couple different things. First it has to crank 4-5 times before it will fire on a cold start, Hot start it will fire up with 1/2 to a...
  9. Swirl port heads. Keep or sell?

    Engine
    I have some freshly rebuilt 191 chevy swirl port TBI heads that I'm planning on using for my engine build. I've heard these are terrible heads, but most of the time the people that say this have never used them. I've also heard that they pull hard to 5000 rpm or more. This 350 will be going into...
  10. tbi to carb fuel lines, need advice please.

    Engine
    Hello all, as the title says, I'm having a few issues. I have a 1990 454ss and the poor engine has had enough so that being said I built a new one, just had it dynoed today! Anyways, it's an early 80s 454 and carbureted. I'm gonna be running a mechanical fuel pump, I'm wondering if I could use...
  11. Tbi to Carb swap parts list.

    Engine
    Im just looking for someone to check my parts list for my tbi to carb swap on my 1994 chevy k1500 with the 350. I have a holley 600 cfm classic carb holley 12-803bp fuel regulator holley carb tps sensor for the 4l60e edlebrock 2104 performer for the 88-95 trucks hei distributor misc fittings...
  12. 93 chevy caprice tbi code 33

    Modern Electronic Engines
    Hi wondering if someone could help me out. I was driving home and my car started to surge and sputter when idling at a stop light. Check engine light came on and I immediately limped it into the shop I work at. I hooked up the code reader and got a code 33 ,which corresponds to a malfunction...
  13. Transplanting a TBI 350 in a Trans Am

    Engine
    Hi, My 1980 Trans Am is running a 305 (non-turbo) linked to a TH350, where as my 1985 Chevy Van20 has a 350 (TBI) linked to a TH400. What I intend doing is swapping the engines, along with the tranny, between the two cars however my concern is blowing up the ECU in the process. I don't want...
  14. Top End

    Engine
    And after months upon months, I have officially nickeled and dime'd my way up to the big leagues! I bought a pair of 062 Vortec Heads! I have a completely stock 1991 350 tbi with long tube headers and true duals with Flow master 50's on it.... My believed compression ratio with the tbi heads are...
  15. 95 Silverado

    Engine
    I have a 95 single cab Chevy silverado with a crate 350 (TBI) and a 5 speed transmission, but my rev limiter is only at 3600! Why? What do I need to do to get it higher? The motor is a new crate 350 with about 50,000 miles, the transmission is from a pull apart so the motor and tranny did not...
  16. 1990 350 TBI flooding

    Hotrodding Basics
    I am going through this problem, this now makes the second time that I have had this happen, that when I go to start my truck, it will not roar to life but crank and crank. The engine keeps flooding just from trying to start it, it does this by me not touching the gas pedal :confused:. And I...
  17. tbi to carb, ecm and wiring

    Electrical
    Hey there, I am new to the forum and have a question regarding the ecm. I have a 1990 454 ss and im removing the tbi 454 and putting an 80's carbed 454 in (not sure on exact year). My question is, what do I do with the ecm? If I get rid of it do I have to rewire everything, like my ignition...
  18. BBC tbi on SBC ?

    Engine
    I just built a 383 stroker. It's now in an '88 Chevy Blazer 4x4. It had a stock 350. I bought a tbi from a friend. The ports are bigger on the new tbi then the stock one. I need to bolt it to the stock intake. I have a tbi spacer with the stock tbi port size. Is there an adapter that will funnel...
  19. Flow bench tests/numbers for TBI/TPI intake port, Swirl port info

    Engine
    Flow bench tests/numbers for TBI/TPI intake port 187 casting, aka Swirl port. These numbers are to correct the misinformation out there about the Swirl port, the flow numbers for the HO head as you will see below cannot be interchanged with the swirl port, the swirl port is in fact a far...
  20. 1988 Chevy 350 TBI won't start

    Electrical
    So in the last couple of weeks I pulled the intake off of my 88 chevy stepside and I replaced the intake gaskets..... theres more to it than that but we won't get into it.... Anyway got everything back together and now the truck won't start. My oil pressure pegs out when I turn the key on and...
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