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Original Message
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ps: HV Pump |
By John Martin - 02/04/2001 7:13:53 PM; IP 142.177.82.69 |
I use the Melling M57HV pump, and I probably don't need it as I have blocked off the hyd lifter galleries so more oil is fed to the cam and mains. But every book ever written on the FE says to use the Melling HV pump, so I will continue to do so. One write back to one of my posts does amazing 1/4 miles with the stock pump. Just remember, the HV pump only increases oil flow until the bypass opens, when it will only provide what a stock pump delivers. 80 psi max for a HV pump compared to 55 psi for a stock pump. But at an idle, the HV pump will keep oil pressure a little ahead for when you need it during acceleration. A HP poump will allow more oil flow at high RPM's, but who would ever need more than 5500 to 6000 rpm in a street/strip motor?
John |
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