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Re: Worlds most accurate oil pressure gauge?
I hooked up an aftermarket gauge I had laying around and it read nice and smooth. I am not sure how a mechanical gauge wears out, I suppose it could be on its way out.
The truck is LS swapped. The LS uses an 8-9 gerotor oil pump which would produce pulsations, but I would think you would have to be reading pressure closer to the pump itself vs the back of the block.
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