80 Clutch Driver

Also, what could be causing the clutch to not "snap in" at times and also allow oil to leak from the back side of the pulley? These 2 problems presented themselves at the same time. The clutch will work fine and then suddenly won't snap, then in a few minutes it works fine again. When this started, it began to leak a small amount of oil causing the inside edge of the pulley to sling it out.

Any help would be appreciated as it is needed for a parade next weekend.

~On the clutch problem, the snap in & out problem could be broken internal parts, worn drive pin or hole, broken or de-laminated disks, or any number of other internal problems.. About all you can do is remove the pulley & check for proper operation & condition of all the internal parts.. [maybe you will get lucky & just find a delaminated disk]..

~On the oil leak?.. That could be a overfull reduction cover, or thinned oil, or broken operating sleeve, or plugged drain back holes, or ???..

~Have you checked for excess crankshaft end play? If the endplay gets excessive it could cause both of your above problems..

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Thanks for the words of wisdom. I have all the clutch plates out and they all look good. The crank endplay doesn't seem to be an issue, but the pulley seems to have about 3/8" of movement.

The clutch operating problem is intermittent, so I assume that there is a problem in the operating parts.