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  1. tsr2185

    Rough idle - vacuum

    Electronic spark control module (ESC) https://www.rockauto.com/en/moreinfo.php?pk=1184681&cc=1050882&pt=10546&jsn=1311
  2. tsr2185

    Upgrades for longevity

    how much ATF do you add priot to oil change? I am due for oil change and i hear a lot of people mentioning doing this....
  3. tsr2185

    First time doing drum brakes

    Were you only experiencing shaking at a certain speed? My drums were bad warped and shook at all speeds. Changed it all out last week and now it only shakes around 40mph when braking. I didnt think to suspect the u-joints and wont get back to my truck for another 2 weeks...
  4. tsr2185

    Ebrake question

    @Schurkey Sounds like a good project in the future when I overhaul the while truck with my son. For now it's just my monthly cruiser to work and beer getter. I know the jb3 brakes are crap. But surprisingly I feel comfortable when braking especially at hwy speeds so far (besides the vibration...
  5. tsr2185

    Ebrake question

    I was just wondering really if it is a syptom of something going out other than drum shoes or hardware.
  6. tsr2185

    Ebrake question

    It's a 1991 k1500. JB3 brakes. Bought it 3 years ago. Serviced front brakes last year. Rear shoes and drums seemed in shape at the time. I will be ordering shoes and drums Friday. Just wondering if anyone sees this as a could be problem with the ebrake lines or what not.
  7. tsr2185

    Ebrake question

    Odd question. I know I'm due to replace my drums, I've got a decent vibration when braking and goid bit of grunting noice when coming to a stip from the rear. I know one drum is warped for sure. Reversing out my driveway, I pressed ebrake and held the release open and the rear seemed to...
  8. tsr2185

    Windshield washer fluid jet

    Dont do what i did... both didnt work at all, used a 1/16" drill bit and drill and cleaned them out. Now I have a 6" stream from both which is pretty useless unless driving at hwy speeds lol. Now i got to replace both nozzles....
  9. tsr2185

    '88 TBI Suburban - Engine Overhaul - Help me plot this out

    Im not all an expert, but I had planned to swap to vortec heads with a aftermarket intake. Sniper EFI or Aces Killshot with a mild cam with roller lifters if i have the provisions. New fuel pump and possibly fuel lines. Once again I know NOTHING of doing this. Just making a plan for when the...
  10. tsr2185

    Tbi running lean and rich..

    Sorry for the ignorance, but how do you verify ESC and EGR?
  11. tsr2185

    Drop in crate to replace 350TBI

    Very inspirational, thank you very much. This sounds like the route that I should take, and I do believe I will.
  12. tsr2185

    Drop in crate to replace 350TBI

    That sounds like a good idea and something i would enjoy.
  13. tsr2185

    Drop in crate to replace 350TBI

    Thanks guys. Consensus would be to rebuild or replace with a stock. I was just thinking about my path if/when i would need to address any engine issues. It was a replacement 12568758 GM crate like shurkey said. Would this current block be worth investing the money in to rebuild with...
  14. tsr2185

    Drop in crate to replace 350TBI

    not sure about the maintenance, but ive change all the fluids when i got it and oil every 3 months. Although i fixed 3 fluid leaks, it doesnt consume or burn any fluids. Only issue ive noticed is the rough idle when hot which i could never figure out.
  15. tsr2185

    Drop in crate to replace 350TBI

    I use my 91 k1500 SCSB every 3 weeks for a 4 hour drive to and from work. When Im home, i use it for beer runs/grocery runs/etc. I love tinkering with it and I know inevitably the engine will give out (275 k on body, 115k on GM goodwrench in 2005) Maybe 1 month from now, or ten years who...
  16. tsr2185

    350 tbi oil pressure

    Nice. I replaced mine a few weeks ago and had to pull dizzy to get a wrench on it, and i got small hands....
  17. tsr2185

    350 tbi oil pressure

    commit to removing the dizzy to easily get to the sensor if you decide to change out, it makes life a lot easier doing that.
  18. tsr2185

    TBI oil pressure sending unit

    Well to close out this lengthy thread, it was the oil sending unit. Had to remove distributor to easily get to it with a crescent wrench. Oil pressure now ~40psi while cruising, and ~15psi hot idle. cant complain. Whether its a more accurate reading, or more misleading than before i don't...
  19. tsr2185

    88-94 recirc actuator calibration?

    I guess I gotta take it out and function it while still plugged in to verify it's position. Assuming they go bad cause over the years they get off and the over closing or opening strips gears.
  20. tsr2185

    88-94 recirc actuator calibration?

    Got the dreaded click and replaced my recirc actuator. Few weeks later this one started clicking again. Got another ordered and the wrong style was sent to me. So I went ahead and removed old one, inspected gears and it seemed fine to me. Replaced it and functioned it and noticed that the door...
  21. tsr2185

    Rough idle - vacuum

    ever figure out your problem?
  22. tsr2185

    94 stumbles and dies once warm.

    my father in laws s10 had a cracked exhaust manifold. It would run like S^%$ when in closed loop and O2 sensor wasn't reading right. it also didnt throw any codes
  23. tsr2185

    Pressure Switch Part Numbers

    low pressure switch for r134 = DORMAN 904625 Yours has a high pressure switch? My 1991 only has a relief valve on the compressor instead of a high pressure switch. I bought it already converted to r134a.
  24. tsr2185

    Rear end rattle diagnosing?

    Well to close this out... Apparently it was most likely the exhaust tip rattle like what was first suggested. I obviously didn't rattle it the right way until AFTER I took diff cover off. Tbh I just really wanted a reason to inspect diff and really glad there wasn't an issue with it. Thanks...
  25. tsr2185

    TBI oil pressure sending unit

    My 1991 350TBI runs fine and is my highway cruiser. Pretty much at anything above 1/4 throttle the oil psi gauge pegs out. I wasn't really concerned out it, as I know OBS oil pressure questions usually open pandoras box. BUT, when it does peg out, the gauge makes a loud audible click in the...

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