Originally Posted by signsbyesa
and just incase like my first time, i thought i had tdc and installed the
distributor and the car backfired a storm turns out i had to pull
the distributor and install it 180 degrees and it worked great, and
i realy thought it was at tdc with the first piston up but it was wrong
so that might help, i can do it with my eyes closed now

It was at TDC......of the exhaust stroke. That's why cepx111 told him to put his finger over the hole,so he would feel the compression.