Son has a '81 GMC 3/4 ton. Had a very tired 305 in it, with SM420 trans.
Just recently wrecked his '07 NBS GMC 3/4 ton with a 6.0L, 4L80E
We have full harness, computers, everything.
Anybody done this type of swap? Anything we should be prepared for?


1952 Chevrolet 1700 Bickle Seagrave
"Old Smokey'"
Following the build in the DITY Gallery