With an AMC V-8 engine, it's going to depend on compression and cam lift. My bone stock 304 slipped by one tooth, and I was able to get it home (although running poorly) by twisting the distributor, resetting the timing. Once home and shut off, it skipped several more teeth when I tried to restart it again. There was never any valve to piston contact or bent valves or pushrods. I dropped a new timing set in it and happily drove another 30K miles before swapping in a 360.

I did have a Mopar with a 383 Magnum engine (prior to the Jeep) that had a nylon gear, when that jumped, it bent nearly every pushrod in it, and I had to have the heads done because of bent valves. But it was a higher compression, higher lift cam engine.

Bob
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