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Old 06-06-2005, 10:58 PM
Sydney Sydney is offline
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Join Date: Oct 2003
Location: Spokane, WA
Cobra Make, Engine: Shell Valley, 351W
Posts: 183
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I have a 84' 351 block. It has the same hole with 7\16"-14 bolt threads. It's only about 1" deep,. No plug, no worrys. My guess is it would be for an auto trans dipstick bracket.
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