the "0" on the flywheel

[Huw Powell]

>>TDC can also be identified but, perhaps not so precisely, by the 
>>position of the #1 piston.  Pull the plug, and insert a long thin 
> 
> 
> TDC on #1 is as precise as you can get, the flywheel mark can be a little
> off at times, or missing altogether BTDT. 

Correct, I agree, by definition.

What I meant is that placing the engine at TDC might be a bit iffy this 
way, since at TDC +/- a few degrees the piston is not going up or down 
very much.  Still, picking the half way point between two identical 
lower points should be easy.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/