ah yea forgot about 4.8s.
ray do they? i know the body style after that 2wd drives use coil spring spacers and leaf springs in the rear. while 4wds and tahoes use keys and coil springs in the rear. but im no expert im sure your right. what truck do you have?
slayer u do have the 305. a old 350 short block is easy to find for around 500 bucks and they usually are in pretty good shape. id say bore it over to a 383,comp cam, headers, heads, rockers, springs, pistons and throttle body. the options are endless. ive seen a 350 do 450hp for under 3500. they are great engines with lots of potential. good luck with the build man. i cant wait to get a hold of a motor to start on. then an old camaro or gto to drop it in.