tbi

  1. H

    Engine running rough

    1987 with a 350 tbi It gave me a short code about a month ago (24) and 44 I believe. One is the TPS and the other is running lean. About 2 weeks ago it was running good and fine and once it got warm it became choppy under load and once it got warmer it was choppy any time you gave it gas. Put a...
  2. C

    1987 SBC 350 TBI long block build question

    Hey everyone, got a professional built long block SBC 350 TBI and am putting the pieces together to finish it. I noticed a couple of the main caps are using long studs, what is this for ? Also I purchased a 4 quart oil pan which I believe is stock for the 1987, this is a stock build btw. The...
  3. hugoesgenial

    350 TBI FUEL PUMP

    What fuel pump (how many psi) do you recommend for a 350 TBI 5.7? I'm looking to put in an external one. any tips? brands?
  4. mibars

    Options for tuning of Gen1 TBI in 2023

    Hi, I'm trying to find out what are the options for tuning of the 1990 TBI system these days. From what I've learned the ECU has a PROM memory, a one-time programmable chip that stores the base tune and adjustments are done on the go using inputs mostly from O2 sensors. That's similar to what...
  5. Y

    87 tbi

    Hey all! I have a pretty cool 87 long bed with 465 manual tranny with the granny. I did the bodywork myself and you can tell, but it’s not terrible. No rust. Runs and drives really well with almost new tires. The four-speed on the floor is nice. Air-conditioning compressor kicks on, but doesn’t...
    • YHVH
    • Thread
    • 305 exterior for sale four speed fuel injection interior long bed manual transmission sm465 tbi
    • Replies: 6
    • Forum: Tech Discussion
  6. COREY TREVOR

    TRUCK NOT GETTING FUEL AFTER GAS TANK SWAP

    76 K20 WITH A 94 TBI SMALL BLOCK . JUST SWAPPED THE FUEL TANK FROM THE VAN THAT THE 94 ENGINE TO A PROPER TANK FOR THE TRUCK . OLD TANK HAD PUMP IN THE TANK , FOR THE NEW TANK IM RUNNING AN INLINE ELECTRIC FUEL PUMP . ANYBODY KNOW WHAT I SHOULD CHECK ? THANK YOU
  7. A

    What Goes Here on my 1987 5.7L TBI Silverado Intake Manifold?

    I'm neck deep in replacing the gaskets on my 1987 Silverado Intake Manifold. I'm trying to buy a replacement for the fitting that is shown in this photo. Anybody know what connects here? I'm having a hell of a time explaining it at the parts store. It sits just to the passenger side of the...
  8. D

    I Need Help Finding Engine Harness 1987

    Okay so here’s my dilemma I’ve been looking around for a 1987 TBI Engine harness and unfortunately haven’t found anything on the web I’ve even looked at pick a part within a hundred mile radius... I know really pick a part!! I’m in no rush if anyone can point me in the right direction I’d...
  9. T

    Engine swap in '93 G20

    Hey guys, I'm pretty deep into a restoration on my '93 G20 van. It has a Pathfinder 4x4 conversion with 35s and has a ton of potential, but it needed substantial rust remediation and some body work. Once that is addressed, I'm going to put a new motor in it and have the transfer case rebuilt...
  10. BBBURB

    Aftermarket ECM for TBI / SPEEDUINO

    Im looking for a affordable aftermarket ECM for my TBI which I can tune or is capable of self tuning for E85 Flex Fuel and maybe contains a Flex Fuel Sensor. I want it to be able to advance timing and Fuel output depending on the fuel I put in. Im a electronics engineer and I have done some...

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