JWaltz
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- Jul 13, 2011
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What kinda fuel pressure is safe to run I know like 70 pops o-rings but what kind of minimum is safe at full throttle
i gained 128 ft pounds of tq from dropping my pressure from 62 to 55. i didnt try anything lower than 55.
Really? I am intrigued to see how many more people had similar results
I must speculate that the injector can only fill so fast so with that being said anything less than this undetermined psi would leave the injector starved. so with any more pressure would generally serve no purpose so when running at a higher pressure your fuel pump must work harder to accomplish the higher pressures which would create more heat in the fuel.
so my educated guess is that it is due to less friction and less heat in the fuel I would be interested if anyone can provide any fuel temp input with the differences
The pump works at 100% duty cycle all the time and what ever fuel isnt used is just sent back to the tank fuel pump never works harder or easier with demand.
Yes and no. The pump is always pumping 100%, but as you raise demand and/or pressure, the pump will work harder.
The pump is working a LOT harder at 100psi than 5psi, and much less volume at 100psi as well.