Diesel Bombers - What pressurefor my Raptor FRRP?

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noserider

12-13-2015 11:33 AM

What pressure for my Raptor FRRP?

I installed a Raptor FRRP on my 2002 Cummins 5.9 ISB. It's in a 38' diesel pusher motorhome. Idle pressure out of the box is 15 PSI. WOT is 10-11 PSI, cruise is 12-13 PSI. Should I turn it up a tad? Looking for what pressure is optimal for power and cooling of the VP44.

gh0stman

12-14-2015 05:18 AM

I would turn it up. Bosch specs the pump at a minimum of 10psi. I wouldn't run less than 15 at WOT.

jkidd

12-14-2015 09:55 AM

Turn it up 2-3psi and get a big line kit to get rid of the banjo bolts that are so restrictive.

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