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Another point of reference: I am making 600whp+ on the 2J and maxing out at 55% duty 1200cc injectors 72psi fuel pressure, 93 octane. These pumps have a lot more capacity in them for probably another 150whp until you get near 90%~95% duty. It definitely moves fuel! And that is on the stock tiny feed line, which seems to be about the size of an 8AN hose. I am still on the stock returnless system as well. My last replacement has lasted some 40 race hours and keeps going.
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