Bolt Size ... - Pontiac GTO Forum
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post #1 of 2 (permalink) Old 04-25-2011, 12:10 PM Thread Starter
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Bolt Size ...

Does anyone know the size of the bolt that attached the Heater Hose Bracket to the Block on a Pontiac 400?

Thanks Jason
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post #2 of 2 (permalink) Old 04-25-2011, 04:44 PM
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It attaches to the head on both the Pontiac motors I have. The bolt measures 5/8" (not counting the head).
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Projects, Barn Finds & Restoration Discussions

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