Good cam size for stock 318 bottom on boost

TE=roccodart440;1970346666]Out of those 2 the 2nd one is a better choice.



yep /\/\/\

Since you want a flat tappet here are 2 good choices.

CRO-31321

CRN-691191[/QUOTE]

what's the difference between mechanical and hydraulic flat tappet cam. The two I picked are hydraulic. the two you Picked are mechanical.