I have a 292 chevy (fresh). lit it and within 20 seconds lost oil pressure. It pumped 40 lbs. with a drill motor and on fireup dropped to 20 then 5 by the time i shut it down. I have a system 1 filter with the bypass blocked. I know i have to tear it down but i am asking if anyone has any suggestions on where i might have gone wrong on the assembly. thanks
