Re: head issues
well number 1 cylinder, all the timing marks should line up. Otherwise screw the hose into the hole, and put your finger over it, when you feel air pushing against your thumb, your on the compression stroke. Or put a rod down the hole, etc..
You don't have to be AT TDC just on the comp stroke, if the piston is more than 1/2 way down (or up rather) it could blow back down with air pressure, just find a way to make the motor stop moving (aka rachet/breaker bar on crank pully).
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My street car runs low 11's and my race car's personal best is a mid 11....
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