Tony D Posted July 16, 2011 Share Posted July 16, 2011 Cool fuel is nice...but so is more pump suction pressure. I know the Z Tank will take around 3-5psi, I put that much into mine and my son's 510 Wagon to test the line conversion I had done. That may cause issues with the FPR up front, but that would be a stretch. It's almost like you would want a boost pump/surge tank at 3-5psi feeding the mains, like on the Cunningham Racing 300ZXTT (#75 Car) Had two boost pumps filling twin surge tanks which were 3" in diameter, and almost 40" tall behind the driver's compartment (from skid plate to roof!) From those surge tanks, two more high-flow pumps sent fuel up to the rails/injectors/FPR... You're kind of at that kind of flow rate using Petroleum. With the flow rates of the E85, I'd say you are equal to or exceeding it. You may want to ditch the idea of straight pump suction, and put in a boost pump/surge tank design to feed your main pump. The tank pressure works O.K. for me, but that's not more than 450HP. Quote Link to comment Share on other sites More sharing options...
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