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make sure that the number 1 piston is at tdc on the compression stroke, then look and make sure the rotor is pointing at number 1. if not lift the distributor up and turn it towards the number 1 cylinder and put the number 1 wire on the cap were number 1 is, then wire it 1,8,4,3,6,5,7,2 clockwise It probably means that the piston is between the exhaust and intake cycle and that you need to turn the crankcase 360 degrees. That should put the distributor in the right place.

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Q: What do you have to do when the piston is a tdc and the distributor is 180 degrees off. do we need to move the distributor?
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