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The first is the timing mark is jumping and it seems rythmic. The timing will be there then every second or two is dissappears and the comes back.... Brian

When I have experienced that it was from the timing light not clamped on securely. EDIT I keep coming back to secondary ign related or vac leak in that order

Last edited by RapidRobert; 01/15/09 09:12 PM.
live every 24 hour block of time like it's your last day on earth