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Freeze Plug Diameter
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February 5th, 2022, 09:49 PM
sclor
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Join Date: Jan 2013
Location: New Orleans, LA
Truck: 1966 GMC 1000 series fenderside
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Re: Freeze Plug Diameter
I looked up on rockauto.com. I think the 1.75" is correct. I saw 1.75" as the minimum and 1.7635 as the maximum. Looks like they are a bit cone shaped so they tighten as they go in.
Hope that helps.
Regards
Steve
New Orleans
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