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05-30-2010, 05:42 PM
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#1 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: 283 heads on 350
If the vacuum advance is bad there WILL NOT be any difference in timing with it disconnected. Your pinging could be coming from too much initial. The quickest check on on the carb port would be to disconnect the hose and put your finger over the tube with the engine idling.
Ray |
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| 283, 350, chevy, engine, heads |
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