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Old 12-30-2007, 02:26 AM
PITTSBURGH 64 PITTSBURGH 64 is offline
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Join Date: Jan 2003
Posts: 2,596
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I use Amsoil 10-40 and my pressure has been like that for over 30,000 miles.
Idle 5-10
2000 rpm 35-40

I'd leave it alone and drive it.