What gasket should the Coffman pipe run between the manifold and headpipe. Obviously the FPP gasket will fit but the coffman pipe has a water jacket between the manifold and headpipe. Can I just drill some holes in the gasket to allow water to pass through or is there a better solution. The guy wants the ski on the water this weekend, I DO have FPP gaskets, I do not have the coffman gasket. The owner previously had a solid FPP gasket in there but said it started leaking a few weeks ago and was spraying water out between the two pieces.