3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

Fuel Pressure

Old 04-07-2007, 10:51 PM
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Fuel Pressure

My truck at idle should make what PSI fuel pressure? I dont have gauges YET, but im just a little worried. If im running the diablo pred on 100hp, what my FP?? Thanks
Old 04-08-2007, 01:16 AM
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Originally Posted by Pinksa
My truck at idle should make what PSI fuel pressure? I dont have gauges YET, but im just a little worried. If im running the diablo pred on 100hp, what my FP?? Thanks
8-10psi at idle.

at the 100hp over stock level, you are border line of sucking it down to 1-3psi.

good idea to buy a Glacier kit....no more FP problems.
Old 04-08-2007, 01:17 AM
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Originally Posted by 973604x4
8-10psi at idle.

at the 100hp over stock level, you are border line of sucking it down to 1-3psi.

good idea to buy a Glacier kit....no more FP problems.
Yep with the smarty on #7 I saw it go down to about 3.. That will be one of my next mods... Will really need it after turbo...

Shane
Old 04-08-2007, 05:24 AM
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the diablo is really not gonna change the fuel press. at idle, it's when your on the throttle that it will pull it down,should get a fuel press. gauge on there so you know for sure what's going on.
Old 04-08-2007, 11:56 AM
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So whats the lowest i should let it go?? Gauges are coming within 2 weeks!
Old 04-08-2007, 06:33 PM
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Originally Posted by Pinksa
So whats the lowest i should let it go?? Gauges are coming within 2 weeks!
ummmm

it would be best to maintain that 8-10psi at all times!
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