Hi, I ran into this site and joined Because I have a 78 C10 Big 10 that I'm I'm progress of restoring right now i have the motor almost built 355 problem have 430 hp.And Also have a 77 K10 Heavy Half? with the 350 (needs a rebuild)(Yost to be some guys mud truck)... but any way Hello and I'm 18 years old if anyone cares Lol