Thread: finding TDC on a flathead

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so I guess that you don't have fluid in the cylinder????

The proper way for absolute top dead center is to use a positive stop method where you stop the piston with a solid gadget turning the crank one way, and mark the dampner---then turn the crank the other way until it hits the same positive stop, mark the dampner---TRUE TDC degree will be in the exact middle of those readings

I don't disagree with that method. Tried and true. If fact I use it. Problem is, it doesn't work on a flathead. That is the only reason for the post. Sparkplug is not above the piston.