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  1. 5

    Any guys towing with a 1500 5 speed anymore?

    My truck now has a GM Goodwrench L31 5.7L Vortec with TBI, said goodbye to the 305 forever refreshed NV3500 with new clutch (the larger 12" clutch meant for a 350 application) 3.08 gears and 31x10.5 Load C tires I have a brake controller, Z82 trailering package including the KC4 oil cooler...
  2. 5

    88-91 vs. 92-95 Hydraulic Clutch question

    Hello all, I'm in the home stretch of finishing up a L31 vortec TBI engine swap and installing a freshly built 5LM60/NV3500 trans. The original GM hydraulic clutch line is still working but looking pretty terrible. I wanted to replace the whole system to go with my new clutch but the LMC...
  3. 5

    1991 C1500 ECSB 5 Speed

    I purchased this truck back in January of 2012 from the original owner. LO3 engine, 5LM60 trans, 3.08 open rear diff. 235,000 miles at the time. The truck was not running when I bought it so I got it for $800. A new fuel pump, sender assembly and new fuel injectors got it running great...
  4. 5

    1994 A/C parts in 1988-1993 trucks

    This kind of goes along with another question I asked but after searching for awhile, I could not find the answer that I am almost certain others want to know also and many others probably have been through this. There are a lot of people of who say that R134A conversions don't work well...
  5. 5

    R12 and R134A...1991 or 1994 evaporator...Whats the difference?

    Hello all, I recently undertook the big project of replacing my cracked dash and decided to overhall the HVAC module while I'm in there replacing the heater core, evaporator and all of the actuators. My truck sat for a few years before I bought it. Still has the R12 system and its shot. I...
  6. 5

    Recommendations sought from 5 speed owners

    So my truck has 249,000 on the original transmission. Pilot bearing or throwout bearing is noisy in neutral and amazingly the thing still shifts pretty good after all the miles. A little slow going from 1st to 2nd and almost impossible to downshift to 1st unless going under 5 mph but other...
  7. 5

    Caprice police car engine compatability in manual GMT400

    Its been a few years since I've been here. I sold my truck a while back to buy a new 2014 Chevy Caprice with the 6.0L and found I could not live without a truck. Luckily the guy I sold it to didn't need it anymore so I was able to buy my same truck back and thanks to my wife, still keep the LS...
  8. 5

    For the stick shift guys-ATF or Gear oil

    I bought a 1991 Chevrolet Silverado ext cab 1500 2WD with short bed. 5.0L (LO3) TBI V8 and a 5 speed. All the research i have done so far shows there were 4 manual transmissions available in 1991. 2 were four speeds and 2 were five speeds. Im guessing the 4 speeds came in the old body crew...
  9. 5

    Do TBI engines need/benifit from tune with exhaust upgrades?

    Hello, I am a new member as I recently bought my first truck ever. 1991 Silverado ext cab 2WD with a LO3 and a 5 speed. This is the first TBI engine I have owned since 2001 so its been awhile and I seem to have forgotten alot of the quirks about these engines. I have been working on LT1 and...
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