hi, i have a 78 c-10 with a 350 and a three on the tree, my dad gave me the truck and i want to restore/hot rod it, ive had many old chevys, but havent ever really swapped a motor or trans, so my questions is how hard is to swap a motor or trans, and will a newer five speed from a 90 to ??? chevy pickup fit in my long bed 2 wheel drive? any info is greatly appreciated! thanx