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engine noise - braintrust help
Hope you can help me with an engine noise. Newly rebuilt engine that makes a clatter sound kind of like valve tappets crossed with an exhaust leak. The sound is loud at idle or when I lift off the gas and goes away entirely when I open the throttle. At 60 mph it is gone with the throttle open constantly. Any thoughts about what could this be?
911SC 1980.
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