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Bill OH · 07-08-2024, 09:57 AM

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.

07-08-2024, 09:57 AM	#4
Bill OH Senior Member Join Date: May 2010 Posts: 454	Re: Missing at 3500 RPM and Above 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.