Inliners International Forums General Discussion Bench racing looking for an inline guru in eastern pa

100 psi with 12.5:1 CR?
Something is wrong.
Either:
1. the cam is way, wayyyy too big (not likely)
2. the cam is 10° or more retarded on purpose (not likely)
3. the cam is timed wrong (#2 or 3 might have bent some exhaust valves)
4. you have no rings left
5. the compression isn't nearly 12.5