Description
Oil Pressure Regulator
The Racing Beat-manufactured Street High Performance Rear Oil Pressure Regulator for the RX-8 interchanges exactly with the stock rear oil pressure regulator on all 2004-2008 RENESIS engines. It is designed to bypass at 90-95 PSI for Street Applications and 105-115PSI for Race Applications (please select your desired regulator from the drop down menu), making it well suited for street-ported RENESIS engines and a piece of mind upgrade for normal rebuilds. As supplied by Mazda, the factory pressure regulator is intended to bypass at maximum nominal rate of 80 PSI
Street Regulator
The Racing Beat-manufactured Street High Performance Rear Oil Pressure Regulator for the RX-8 interchanges exactly with the stock rear oil pressure regulator on all 2004-2008 Renesis engines. It is designed to bypass at 90-95 PSI, making it well suited for street-ported Renesis engines.
The Racing Beat high performance Rear Oil Pressure Regulator is designed for use on 2004-08 RX-8 Renesis engines and interchanges exactly with the stock unit. As supplied by Mazda, the factory pressure regulator is intended to bypass at maximum nominal rate of 80 PSI. For use on higher performance street applications the Racing Beat regulator can be substituted, which bypasses at a higher maximum nominal rate of 90-95 PSI.
As a general rule, oil pressure should be increased as the horsepower output and engine RPM increases. As horsepower and RPM demands increase, it is beneficial to have higher oil pressure between the shafts and bearings to prevent possible catastrophic contact between spinning components. Additionally, as oil pressure is increased, flow rate also increases – hence, more oil is available to cool the bearings and rotors.
Race Regulator
The Racing Beat High Performance Rear Oil Pressure Regulator interchanges exactly with the stock rear oil pressure regulator on all 1971-2008 12A, 13B, and 20B engines. This oil pressure regulator is designed to bypass at 105-115 PSI. (Pressure this high should be used only for racing). When using this regulator, the front pressure regulator should be shimmed an 1/8-inch to ensure that it does not limit the oil pressure (shims included).
As a general rule, oil pressure should be increased as the horsepower output and engine RPM increases. As horsepower and RPM demands increase, it is beneficial to have higher oil pressure between the shafts and bearings to prevent possible catastrophic contact between spinning components. Additionally, as oil pressure is increased, flow rate also increases – hence, more oil is available to cool the bearings and rotors.
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