Originally posted by Jkan2001
actually that guy held 16.5 psi for quite some time and then he got greedy and upped to to 20 psi when he warped his head. He actually killed it from hydrolock and the internals kinda blew to chunks.
I think 12 psi would be easily attainable with a 8.8:1 CR and good tuning.
hondata it up

h: