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  1. Chevy Suburban Forum (GMC Yukon XL)
    I was wondering if anybody could help me figure out what to do with my current 350 that I believe has a dropped valve, im not sure if I should find a GM engine builder and bore it out to a 383 or if I should swap it out for an LQ9 or something newer. I havent been able to find any GM engine...
  2. Chevy Silverado Forum (GMC Sierra)
    I’m rebuilding the LM7 motor in my 2004 Silverado 1500 and I’m trying to figure out pistons currently but having trouble finding relevant info to what I’m questioning. Here’s the specs: I’m working on a stock LM7 with 400K miles. I’m upgrading the cam with a TSP low lift truck cam, 208/214...
  3. Chevy C/K Truck Forum
    I'll start by saying I've looked all over a bunch of forums including this one to find the info I need, but to no avail. I'm putting a motor in my 1994 k1500 (5.7) and have a wire that seems to have lost it's label that I now can't figure out where it goes. The wire comes out of the back of...
  4. Chevy Suburban Forum (GMC Yukon XL)
    New to the forum…..I have a 2003 Suburban Z71 mileage of 238k . One owner is me and I’m looking for advice on a rebuild… No major issues just leaking a little bit of oil and trans starting to be sluggish at times..My mechanic does these occasionally but I was wanting to know if there any...
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