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The car caught fire and my hei wsa destroyed along with all the wiring. got a new hei and need to install it need some helpful ways to find tdc so i can install it.
 

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How about reading the handy Distributor install thread in Best of Archive above?

Be aware there are two TDC's for every revolution of the distributor. One is exhaust and one is compression. Get the wrong one and the distributor is "180 out" of position.

Pay attention to how the old distributor is installed when you remove it. Use the vacuum can as a reference.

Install the new distributor with the balancer set at base timing, (example: 10 degrees before TDC compression) and the rotor pointing at the #1 terminal on the distributor cap.
 
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