Finding TDC (sorry, a bit off topic)

[black maj]

Steven

i am not sure about your car.. but with mine, i can remove the plug and 
insert something into the chamber till it hits the top of the piston.. 
rotate the crank until you feel the uppermost part of the travel...  vavles 
can open at differing times depending on the cam....

also if you can access the piston top directly... try using a dial gague to 
measure TDC....


regards

Ben

>From: Steven Ciciora <ciciora at Ciciora.com>
>Reply-To: gmecm at diy-efi.org
>To: gmecm at diy-efi.org
>Subject: Finding TDC (sorry, a bit off topic)
>Date: Fri, 23 Jun 2000 13:19:58 -0600 (MDT)
>
>Hope no one minds, but I came to the sudden realization that I don't know
>how to diagnose cars.  And how can I expect to 'performance tune' if I
>can't even get a stock car back to stock? (hence the very weak gmecm
>tie-in).  O.K., I'm going to try to do a leak down test on an 1989 Chevy
>Beretta, V-6, manual trans, Front Wheel Drive.  I looked in the service
>manual I bought from a dealer, and couldn't find directions on how to find
>top dead center.  Any suggestions?  If no other ideas, I plan on taking
>the valve covers off and moving the crank until I see both intake and
>exhaust valves closed, and not moving.  I imagine if I don't get exactly
>top dead center, filling the cylinder with compressed air is going to make
>it move down, so I'll keep my fingers away from the belt, and mabe see if
>I can 'lock' the crank from moving.
>Thanks for your time,
>
>- Steven Ciciora
>
>
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