350 or 454 sized engine in a 87 chevy silverado 4x4?

Should i put a 350 or a 454 sized engine in my 87 chevy silverado that is 4 inches lifted and 4x4?
I already have a 350 chevy engine in it but i am wondering if i should save up for a 454 and sell 350 for more power.
(opinions)
8 answers 8