heep70 Posted January 14, 2004 Share Posted January 14, 2004 What is the normal oil pressure (engine at operating temp) on an 86 with a touch over 100,000 miles on engine, at idle and running down the highway? Quote Link to comment Share on other sites More sharing options...
subiemech85 Posted January 14, 2004 Share Posted January 14, 2004 middle of guage, 45 when warm 85+/- when cold, goes down when warmed up 15w40 140,250+miles Quote Link to comment Share on other sites More sharing options...
Meeky Moose Posted January 14, 2004 Share Posted January 14, 2004 2500 rpm's should be about 50 give or take a few.. idle should be 10-20... saw those #'s on every soob i have ever had.. ea81's, ea82's.. one with 290k original on it Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted January 14, 2004 Share Posted January 14, 2004 The guages are known to be fairly innacurate. Basically if it's somewhere in-between the bottom, and the top, and it increases when your off-idle - then your fine. Good engines will peg the meter when cold, and settle down a bit after warm-up. GD Quote Link to comment Share on other sites More sharing options...
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