RCU Forums - View Single Post - How do you go about finding TDC when setting timming
Old 11-25-2003 | 07:27 PM
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Diablo-RCU
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From: Hammond, IN
Default RE: How do you go about finding TDC when setting timming

The most accurate way to find TDC is to use a piston stop (a bolt screwed into the spark plug hole that stops the piston about half way in the cylinder). Use a degree wheel and pointer. Turn the crank gently one way and then the other. Right in the middle is BDC. 180 degrees away on the degree wheel is TDC. The piston hardly moves at all near TDC, so that's why the piston stop is more accurate.