FINDING TDC?

[chamblizi]

Hey how do i find top dead center i am changing my timing chain soon. (SOLVED)

[Beechkid]

Ok, pull the valve cover & #1 spark plug.

place the tip of a finger in the spark plug hole to feel pressure or suction (if you are working by yourself, you can rig up a baloon to part of an old spark plug that screws into the hole too)
rotate crankshaft (with wrench) until you feel pressure stop & it starts to suck, look at valves, both exhaust & intake should be closed.

reverse rotate the crankshaft until it starts to suck again....when you feel the point that it does not suck or push air out, the piston is at top dead center, this will also allow you to verify if the timing marks on the crankshaft are correct/true.

[Jippah]

That is a very unique way of finding TDC.
I've always done it the hard way and removed the cylinder head to do a visual check :\
But that was on little SOHC 4 bangers

[twosfamily]

I like that balloon trick! I will have to try it sometime!