Whats up, im new here from south ok(tx born tho.)
i got a 84 silverado with stock 350 4 bolt main.
i plan on swapping it out for 5.7 or 5.3 from a 98 or up.
hope to learn some off here and do it myself.

also wanna change rear end and tranny for lil better gas mileage
any suggestions? gots factory rear end


here my baby