hello well iv sole my b20 out or my crx and got me B18c5 now 2 questions about the head gasket 1. Can i run a 2layer and not have problems with valve clearance. 2. I was runing 125hp of n2o on my b20 i dont thing im going to be pushing my c5 that hard THEY COST MORE ....... but i do plan on runung 100 hp on it nof if the answer to the above question is no will i have problems with a 2layer gasket and that much nitrous. well lets make it three questions will i have any other problems with this that you all can think of.