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high oil pressure

Mine is the same way, except at a warm idle it drops to around 40. I have changed the sending unit twice. I figure as long as it stays the same its OK. JIM.
 
Mine used to run about in the middle of the gauge, but now its around 70-80. I may have only been putting in 5.5 qts of oil rather than the required 6...although my Mom's 92 Lumina runs in the 40 range except under hard acceleration. Then it hits 60.
 
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