Mar 15, 2009 #1 B baby6 One Fast Buick Joined Feb 22, 2009 Messages 423 What kind of gains should i see with a .020 over rebuild with a decent port job (intake to heads, turbo inlet, downpipe)?
What kind of gains should i see with a .020 over rebuild with a decent port job (intake to heads, turbo inlet, downpipe)?