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Old Dec 1, 2005 | 11:44 AM
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low oil pressure

i have an 81 f-100 with a 302, when i first start the truck the pressure is up about 40, but when it warms up it drops to anywhere between 10-20 psi. while driving it stays around 25-30 psi
 
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Old Dec 1, 2005 | 03:44 PM
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that is liveable, how many miles on the engine?
 
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Old Dec 1, 2005 | 04:21 PM
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93k that i know of
 
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Old Dec 8, 2005 | 02:44 PM
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From: Eglin AFB
a little low but that is an old engine. i get 70 at start up, and 50 cruise for the first twenty or so minutes, then it is around 35-40 or so. I jsut installed a new oil pump too so that is why i got those numbers

ken
 
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Old Dec 8, 2005 | 02:49 PM
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10-20 psi at idle is more than enough.
 
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