78 5.7 4 bolt main not stock but not radical enough to shake the truck apart. removed in 1987 from my second new truck a 1978 silverado after 130,000 mi. rebuilt, lots of go fast goodies! installed in this build. drove it till 2016, removed it for my next project. see my 29 chevrolet page.
ghpcnm on Jul 4, 2022 said:
Sweeeet
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