Impala Tech - View Single Post - 427 Engine rebuild
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post #9 of (permalink) Old 12-01-2019, 04:25 PM Thread Starter
tberg
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Join Date: Sep 2018
Location: North Bellmore (Long Island) NY
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Garage
In general it is just tired. doesn't ping with 93 octane, I'm sure the heads are worn to enable it to run on 93 octane. Been together for 50 plus years.
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