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Old 06-10-2012, 05:25 AM
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it runs good for the first 30 or 45 minutes then it pings like crazy during acceleration. i'm mixing racing fuel with 93 octane pump gas and using lead substitute.
Ayuh,... My guess is, Bad fuel delivery,....

It's goin' Lean, causing the detonation...

Change the fuel filters, 'n test the fuel pump pressure, 'n flow...
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