we have yet to run a Chevy with floorboards!
just taking junk out, and it gets stripped of everything possibly usable.
1977 Chevy K20 - 350/350/203 10/14FF
1980 GMC K2500 - 350/465/205 10/14FF
1992 Chevy C1500 SWB - 5.7/4L60/14SF - totaled 5/9/08
1993 Chevy C2500 - 350/80E/241 10/14FF
1994 Chevy K1500 - 350/60E/241 IFS/G80 10 bolt
READ HERE BEFORE ASSUMING YOU NEED A NEW ENGINE!