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  1. General GM Discussions
    I have a 2000 K2500, love the 454 that it has but recently found myself working on it a lot more. So i did some digging and found that an 8.1 will fit in the exact spot. Well, $800 and a few hours later i got a 2001 K2500 Suburban with an 8.1. Now, I can handle the physical part of swapping it...
  2. Engine & Performance
    Hi, new forum member here. I’m very curious if anyone has heard a noise like this. Sound resonates from rear center of the engine, not much noise with stethoscope on oil pan, flywheel is good not cracked, ran with torque converter unbolted, noise still present. Ran with valve covers off. There...
  3. Engine & Performance
    So I recently got someone else's project for a good price. The biggest issue I'm running into is wiring. They swapped the OG motor to a gen IV 454 with a built NV3500 trans. If anyone can point me to schematics, guides, or how to properly wire this engine swap it would be greatly appreciated. A...
1-3 of 3 Results