Not Ranked
I've had a Holley black pump in my SPF. for around 6 years and 40k miles. No problem. Reason why? I use a Mallory return style regulator and use a relay system on the voltage supply. No excessive load on pump with a dead-head regulator and 100% of voltage needed to keep from having high amperage pull due to low voltage. After a long drive, pump is still cool to the touch. Makes all the difference.
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