gmt400 upgrades

  1. azeuqsav

    Mystery Under Carpet Need Help Tracing This Truck’s History…

    Hey GMT400 members, I’ve got a bit of a mystery on my hands and I’m hoping the community can help me figure out what I’m actually looking at here. I acquired this GMT400 truck about 6 years ago with nothing but a bill of sale. It was a rough project from the start I worked on it heavily in my...
  2. 98Sierraakadadstruck

    Looking for advice on 5.7L vortec to ZZ6 crate 5.7L

    Hello all. I hope I posted this in the right forum. I am a new member and made an account just to post this. So here's what I am looking to do. I have a 1998 GMC Sierra 5.7L Vortec, 2wd with a 4l60e. Truck is completely bone stock. A friend is selling a used ZZ6 5.7L GM Crate engine. It looks...
  3. O

    Brand new to this in all so asking a ton of questions

    I'm working on a 1988 GMT400 with 4x4 want to do a sick street/drag build and I want to build everything from stock I just got done tearing apart the engine a bit got the Flywheel, Heads, Valvetrain, off along with the engine out the bay and everything in the engine bay is torn out just the...
  4. R

    More horsepower/ pick up

    Hello everyone, this is my first post. So please take it easy on me... Anyways, I'm tying to find someway to add horsepower to my truck. The engine unfortunately seized up and now I'll have to buy a new one. So, I looked into doing an LS swap; but according to several shops (one being a Chevy...
  5. 1994chevycheyenne

    GMT400 Upgrades Buyers Guide

    I have a 1994 Chevy Cheyenne C1500 with a 4.3L V6 engine. I bought the truck for about $1100 a few years ago. Since then I have over $10,000 in receipts fixing up, servicing, and restoring this truck. And I have over 60 videos on my YouTube channel of the truck. Here's the playlist. After all...

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