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Never seen a bad ATI Damper. I'd put heavier springs on the dizzy and if its a MSD put the rings in thier that stop the advance. A normal mechanical advance is about 25 degrees. With 10 degree advance on the dizzy at start and add 25 degrees for a 35 degree total. When the advance comes in is a tuning decision, mine is all in about 1400 rpm. I'm betting thats the problem. If you have 30 degrees of mecahnical advance that would mean 20 degrees at cranking. My hot rod would buck and kick back with that much initial advance. So you may have a lot more mechanical advance. An engine will run with 50 degrees of advance but not well.



A brand new distributer will probably fix it.



so will a simple adjustment to the mechanical advance

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