well 16 psi cap and still over heated, hey I was thinking when i built the motor I was not sure of what cam i had a carbed or efi is there a differnce in the cams, I think i am running a carbed cam? and now the clutch is slipping smile just replaced the slave cylinder, 16 bucks they did not have the master and man I could not get the air out of the slave, i will try to find a master tomorrow would you believe my luck!