My Mummert valley cover is leaking oil. I have been snugging the bolts after runs and am at the point that I have to ask: Since I can’t use a torque wrench, how tight can I go? Or have I gone to tight already, I’m up to applying moderate force using a 1/2” box wrench.




.150 Stroked Y-Block:327.25 ci @ >1hp per ci