Quote:
Originally Posted by Bill OH
You rebuilt the crab distributor - new points? Spring tension at spec for points? Condenser - check with a multimeter to see what Mfrd the condenser is when at operating temperature. If all of that is okay, I would run the distributor on a Sun machine or equivalent. Does the missing take place before engine gets to operating temp or after operating temp is achieved? Coil getting to hot and breaking down? When did the missing show up - after the distributor rebuild? Sun machine - degree wheel lights will not be steady if points are floating. Measure point resistance with ohm meter - should be zero. Points clean and free of cam grease. Pivot points on the points binding - drop of oil cures that - I have had that happen. Report back.
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Before the rebuild I would have never revved the engine that high, so I don't know the prior state. Missing is with fully warmed up engine. Coil is the blue Bosch on that folks on this forum prefer; only 5 years old. Condenser is the Tubman product, which is ceramic parts inside of a brass can. Doubt that would go bad but the points should tell the tale.