Q: Sorry I'm Mexican, I speak little English, I'm live in Mexicali, I need to fix my car but a don't have much money, I need to know which is better with head b16a2, because i have one, but need buy a engene which is better. Thank.
A: b20's are weak motors if you plan to boost it. they have thinner sleeves where the sleeves meet, they crack easier than the ls motor. get the ls. just because the b20 is a little bigger means nothing. they dont make any more power. get the b18b.