Quote:
Originally Posted by TJ's GMC
351 V6 with the 4 barrel mod and dual 3 inch exhaust would be the bees neeze! Careful cause putting a chevy motor in a GMC is a sin round here. 
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In the past we have been a lot easier with members that had trucks originally with the inline six since it was a Chevy being replaced with a different Chevy engine

Only when someone pulls out a GMC V6 to replace with a Chevy get slammed. idea a bigger V6 though of at least 351-401 and 4bbl is a great idea