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Re: high voume vs. factory spec oil pump
Quote:
Originally Posted by bmcd66250
HV pumps are generally needed where the bearing clearances are on the large side. Even a stock pump increases output with rpm, so just the fact that you may turn a higher rpm is not justification for a HV pump. Found out the hard way one time that you should run a HV pan with a HV pump. At high rpm the pump would all but empty the pan and start sucking air, most of the oil was in the top of the engine.
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I had that happen too on a 302 with a HV pump. In fact I walked home twice because the motor would loose oil pressure above about 4500 rpm.
Bruce
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\'83 Mustang Hatch, 347, Edel 6025 heads, 2.02 in, 1.60 ex, CC280HR cam
Edel RPM intake, 650 CFM Holly DP Carb, 4.10 Locker rear end, new C4(untested), 12.4 @ 115 in October of 06 with T5
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