Victorniner
Well Known Member
hello new to this site just purchased a 64 belair post with a 62 409 qb motor 4 speed dual quad 411 posi rear. have a question already so what kind of leak down tester do you guys use on your 409 engine I just purchased one but just like the compression tester i just bought the threads on the screw in hose are to short has stock heads and it appears threads start at bottom of taper thanks