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Old 12-30-2011, 11:56 PM
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Finding TDC

How do you find TDC with the heads on using a bolt style stop. Do you screw the inner shaft all the way down?

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Old 12-31-2011, 07:54 AM
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Only if you have a degree wheel instead of a marked damper with matching timing tab.
Using the degree wheel is more accurate, and details of how to find TDC with a degree wheel and a piston stop can be found in most cam companies' online directions for how to degree a cam, as finding TDC is the first step.
But if this is a complete engine, then better to just pop a valve cover, and turn the crank by hand until both valves are closed for #1, then keep turning until the timing mark lines up with the appropriate spot on the timing tab.
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Old 12-31-2011, 09:18 AM
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Quote:
Originally Posted by bl8ton
How do you find TDC with the heads on using a bolt style stop. Do you screw the inner shaft all the way down?
I take it that you want to verify TDC not just line up what you already have marked

There is a link to the proceedure:

http://www.crankshaftcoalition.com/w...op_dead_center

The piston stop does not need to be cranked down all the way, as long as it comes into contact with the piston, pull all the plugs so you can turn the engine by hand and slowly make the piston contact the piston stop, dont want to ram the piston up against the stop.
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