I think what your asking is where should # 1 plug wire be for firing order? #1 cylinder at top dead center (TDC) on compression stroke. Distributor rotor should be pointing at # 1 plug wire. If it's 180 degrees out, you might be on exhaust stroke. Thumb over spark plug hole will let you know what stroke your on.
but the head was off the engine when I begin. so how would I deterimine compression stroke
it was tore apart by someone who never aligned anything or marked anything
head was already off. I know ev
head was already off. I know ev
head was already off. I know ev
If you have rocker cover/valve cover off already , all you need to do is look at the valves above #1 cylinder . Both valves should be shut, and piston at TDC with timing mark at front pulley aligned with indicator on timing cover at TDC. If cover not off, use compression tester to confirm piston is on compression stroke.
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