Engine/Transmission (1998.5 - 2002) Ddrp

[EForbes]

does anyone know how much pressure the DDRP FASS pump puts out?, i know its 33% more volume, but doesnt list pressure.



Thanks in advance

 

[ThrottleJockey]

You can the spring on the check ball and put out anywhere from 10 up to 22 psi. Higher than that and the VP-44 could develope... ... ... .



..... issues.

 

[MAllen1]

On the one that I put on my truck, it put out a solid 18 p. s. i at idle and 15 p. s. i. at wide open throttle. It was checked coming out of the fuel filter.

 

[rkressg]

As stated, you can change the springs in the pump to change the pressure. The stronger the spring, the higher the FP. Too much pressure in the long term can damage the VP44. Keep it below 20 PSI as a rule of thumb.

 

[georgej]

!7-18 psi as from the box at idle. .