Alright, ive got a 1990 integra with a 99 b18c1 in it..with cam gears and shafts..skunk2 pro series intake manifold and a couple other things..but i need to sell the car..i have a b18b1 in the backyard ive been kinda just keepin..would it be better to just swap the engines out or just swap the heads ... which would be the best route??