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Old 12-11-2011, 01:10 AM
Keithc8 Keithc8 is offline
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Join Date: Mar 2003
Location: Arkadelphia, AR, AR
Cobra Make, Engine: Kirkham 427 brushed aluminum with Keith Craft 527C.I. all aluminum FE
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This sounds like it might be the valve seals. If it does not smoke when the vacuum is low which is the higher rpms but more when it is idling and has more vacuum it sounds like it may be coming by the guides. If you kill after driving and then re-start and it puffs pretty good it is probably the seals. This would be one of the easier fixes if this is the problem.

Good luck, Keith Craft
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