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Join Date: Jan 2003
Location: Burlington, Wisconsin
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Oil filter thread size

On a 74 -89 911 am I correct the the thread size for the oil filter is 1"x12?? And if so anyone have a link to someone that sells just those fittings??

I am making oil filter consoles for my 914-6 oil tanks and if I could purchase that part that would save a ton of time..

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Ben
89 944,85.5 944
914-6 2.4s GT tribute.
914-6werkshop.com
Old 04-06-2016, 05:51 AM
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Join Date: Dec 2000
Location: Norway / Merritt Island FL
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Thread size: 1"-12UNF-2B
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Sigurd
73.5T 3.2SS EFI
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Old 04-06-2016, 06:45 AM
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Wow that's really close to a pipe thread size.. I wonder if a pipe nipple would work?
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Ben
89 944,85.5 944
914-6 2.4s GT tribute.
914-6werkshop.com
Old 04-06-2016, 07:12 AM
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My opinion: NPT/NPS threads are the wrong pitch. Closest is 3/4 BPS which is too big on the pitch diameter and wrong thread form.
Old 04-06-2016, 07:24 PM
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I found some threaded rod from Grainger that I will bore and then cut to length and loctite into the oil filter con sole

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Ben
89 944,85.5 944
914-6 2.4s GT tribute.
914-6werkshop.com
Old 04-07-2016, 07:38 AM
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