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Old 11-02-2019, 08:59 AM   #13
Ironangel
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Join Date: Feb 2010
Location: Falls City,Nebraska
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Re: Holley oil pan blues

Why not take the bolt to a hardware store and verify what you have with one of these? https://www.amazon.com/Horizontal-Ga...24938757&psc=1 Thread pitch gauges are cheap enough and handy to have around...
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