Thread: 287 oil pressure
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Old 06-05-2013, 08:18 AM
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Bill Hanlon Bill Hanlon is offline
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Join Date: Feb 2005
Location: Fredericksburg, TX
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Increasing the spring pressure will make no difference at idle.

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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic.
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