A stock rear axle in a 2ton chevy is vary strong!
Somewere on the web I saw 1.5 ton chevy truck with a 671 blower on 292 inline six and it was running 14-15 second times with stock rear end


Luke Dahlin

1946 Chevy 2 ton
1966 Chevy 2 ton
1969 Chevy 3/4 ton 4wd
http://www.stovebolt.com/gallery/dahlin_luke_1969.html]1969 Chevy 3/4 ton 4x4