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  1. Engine & Performance
    so i havea 2014 gmc sierra 1550 wth a 4.3l v6 eco-tech, I was looking to possibly engine swap it before i decide to put money in it for more hp so i thought to see what others thought about it first. but my question is what would be a good MOTOR and which ones could work with the same pcm and...
  2. General GM Discussions
    I just purchased a 6.0 that came off a 2007 Silverado 2500 HD. I have a 4l80e transmission and have been told that it won't fit the 6.0 and I've also been told that it will fit. Those who say it won't fit tell me it's because of the plug from the harness to the transmission. Thoughts on this...
  3. Engine & Performance
    I have a late model 2007 Silverado and I’m trying to figure out everything I need to swap it I have the lq9,4l80stage 2 and the diff has 4.10 posi gears installed but I don’t know what I need to do the full swap and if it will pass smog
  4. Engine & Performance
    I just finished swapping a low miles 4.8 from an 05 silverado 2wd into my 02 z71 that had a 5.3 that developed a severe knock around 290k miles. I have read that a tune will be required for the 4.8, who should i take it to for that and what does that usually cost? I live in Tucson and I'm...
  5. Introduction
    Hey Community, I recently purchased my 1999 C3500 crew cab 2WD with the 5.7L V8. I use it to haul dirt and pull livestock trailers. It threw a rod a few days ago. I am searching blogs to find information on engine replacement options and upgrade options to prevent it from happening again (if...
1-5 of 5 Results