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  1. Chevy Silverado Forum (GMC Sierra)
    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...
  2. GM Powertrain
    howdy folks, the tired 4.8 and 4l60 in my 03 sierra is looking mighty fine for a drivetrain swap, what does it realistically take to do a gen 4 swap with a 6l80/6l90 and to be able to have someone who doesn't know anything about the truck feel like its a regular truck? I'm so sick and tired of...
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