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  1. 9

    1994 K1500 - Rough Idle, Help!

    Hey Guys, Recently, my truck has been running pretty poorly. I just rebuilt the engine about 3 years ago and it only has about 20k on the engine. A year after rebuilding it, I put a Whipple TBI supercharger kit on it. It ran fine for a while, but now it's starting to act up. On a cold start...
  2. 9

    Horrible grinding noise - Can't seem to figure out

    So a couple of months ago I was getting a horrible grinding noise when I turned on the AC. I didn't think the problem needed any further diagnosing, I just went straight for AC compressor. Well I just recently changed it with a brand new unit, and the problem still exists, a terribly loud...
  3. 9

    Low oil pressure in my 94?

    Recently I've started to notice my oil pressure dropping further and further. On a cold start up I have good pressure, right at about 40 or a few notches above. But once the truck starts to warm up, it drops down to maybe the first notch or two. Accelerating back up to speed I have good...
  4. 9

    Whipple supercharger. Funky fuel routing?

    A while back I bought a whipple supercharger kit for my 94 K1500. I'm going to be putting it on in the next few days but reading over the manual I've stumbled across something that I don't quite understand. It comes with a new fuel pressure regulator, but it completely bypasses the inlet line...
  5. 9

    "Old Red" 1994 K1500 Rebuild

    Hello Everyone. I'm brand new to the site and would like to show everyone what I've been working on for the past 2 years. First of all I've been a big fan of the GMT400 ever since I was a kid. The particular truck I've been working on has been in the family since 1994, when my dad bought it...

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