np243

  1. J

    Np 243 to 263

    Hello, I am currently in the process of building my 2 door Tahoe. I’m swapping the 350 for a gen vi big block, the 4l60 for a 4l80, and swapping the differentials for those out of an 03 2500 HD. I am hung up on the transfer case though. Its the last piece of the puzzle but I have read that...
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