Oil pressure drop after change

ZeeOSix

$100 site donor 2022
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Jul 22, 2010
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It's quite possible the Maxlife blend cleaned out some gunk hence the higher pressure from before.
His pressure went down after doing a new filter and new oil. So if the old filter was dirty and clogged, it wasn't on the engine anymore and the pressure was lower with a new oil filter - which was a WIX XP which is a very free flowing oil filter.
 
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