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mahanian · 06-29-2009, 01:24 AM

Most aftermarket oil pressure gauges use a 1/8" NPT fitting but come with an adapter for 1/4". I would recommend 1/8" NPT so you maintain good wall thickness.

06-29-2009, 01:24 AM	#84
mahanian C10 addict Join Date: Apr 2006 Location: Arizona Posts: 2,432	Re: LS1 swap. What oil pan did you use? Most aftermarket oil pressure gauges use a 1/8" NPT fitting but come with an adapter for 1/4". I would recommend 1/8" NPT so you maintain good wall thickness.