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The answer is you need 5-8 psi at idle and maybe 35-40 at speed. More than that and you begin to rob the engine of horsepower and will wear parts faster. That said there was a reason S/C cars came with 160 psi oil pressure gauges. Send me $20 and I'll run mine up to 160 and send you a photo. Melling swears the HP pumps actually induce less wear than the HV units.
http://www.clubcobra.com/forums/show...969#post649969
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michael
A man that is young in years, may be old in hours, if he have lost no time. But that happeneth rarely. Generally, youth is like the first cogitations, not so wise as the second. For there is a youth in thoughts, as well as in ages... Sir Francis Bacon (1561-1626)
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