Duane Meyers Posted February 21, 2022 Share Posted February 21, 2022 As my increase in rpms - like over 25mph my oil pressure drops to 5psi. when I drop below 25 mph or just idle motor it raise back to 25 psi? Any one have any experience with this? Link to comment Share on other sites More sharing options...
Jim Nelson Posted February 21, 2022 Share Posted February 21, 2022 My opinion is you have a clogged oil pick up screen. That would give you these symptoms. Drop the pan and don't be surprised to find it full of sludge . When was the last time you pulled your pan ? JMHO.... 2 Link to comment Share on other sites More sharing options...
TP32 Posted April 26, 2022 Share Posted April 26, 2022 I had had exactly the SAME problem with my 32 ser. 60 Turns out the little bypass piston in the oil pump was wore and gouged. I made a new piston in the lathe and increased the OD by .001” . Also installed a small flat washer behind the spring . That fixed the problem and increased the oil pressure to 35/38 PSI even on a hot day and 10/15 at idle. Hope this helps for you. Tony 2 Link to comment Share on other sites More sharing options...
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