I need to time a xlch but not by the timing mark and want to determine the piston height without pulling the head. Does anyone know the exact angle of the spark plug so I can triangulate the measurement?
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Originally posted by otis71 View PostI need to time a xlch but not by the timing mark and want to determine the piston height without pulling the head. Does anyone know the exact angle of the spark plug so I can triangulate the measurement?
Math adds error.
Heres's a gutted sparkplug with a small vinyl tube installed.
Some oil and bubbles in the tube will rise and fall with the piston.
TDC can be precisely located, and your degree wheel set.
....CottenLast edited by T. Cotten; 10-31-2018, 07:10 PM.AMCA #776
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