Recent content by Jeff803a

Will look into making my manometer, when I pulled the dipstick I defiantly had some back good pressure there. What is good average and low compression numbers. I had calculated 18.5 x 14.6 atmosphere pressure and came up with 270psi. I will check those tubes under the valve covers for any...

I have crankcase pressure but my compression test came out 250 & 275psi on an 802. I can not find any information where that vacuum is created. There are no tubes I see on the intake or air cleaner but I guess a passage thru the intake is possible. The unit runs a bit rougher than my 803 which...