Cold idle - 50-55 psi
Warm idle - 35-40 psi
This is on a 39,000 mile stock bottom end motor.
E
PS - I change my oil every 500-1000 miles! (just because it sits sooooo long b/t regular uses.)
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1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
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