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!

Need some Info on rail pressure reading??

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Old Dec 10, 2008 | 09:16 PM
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kdbvulcan's Avatar
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Need some Info on rail pressure reading??

Okay...once I get my AD100 upgraded to the AD150 and my fuel pressure gauge installed(yall see my sigs)and I start turning the Smarty up on 9 and hammer down on it...What should my rail pressure be reading??and what do I not let it get above and what does it need to hold....and when do I need to start mixing the Quadzilla in there???
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Old Dec 10, 2008 | 10:57 PM
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From: Phoenix, AZ
Smarty Revo / TnT Maxxed out (RP = 4, Level 9)...I see 25k-26k max....and i don't think you can react fast enough to "not let it get above"...see what it does and change the rp setting downward to control max...

Would think you need to hold 20k + for max power, higher the better...but i'll let the experts chime in here...you've got mods i dont have yet, so i'm not sure if that changes anything.

I would think the quad would only be needed for adjustability so you dont have to drive around on rp 3 or rp 4 and have high pressure all the time...but again, i'll leave that for someone that's stacked the two before....
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Old Dec 11, 2008 | 08:53 AM
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Originally Posted by jgiachino
Smarty Revo / TnT Maxxed out (RP = 4, Level 9)...I see 25k-26k max....and i don't think you can react fast enough to "not let it get above"...see what it does and change the rp setting downward to control max...

Would think you need to hold 20k + for max power, higher the better...but i'll let the experts chime in here...you've got mods i dont have yet, so i'm not sure if that changes anything.

I would think the quad would only be needed for adjustability so you dont have to drive around on rp 3 or rp 4 and have high pressure all the time...but again, i'll leave that for someone that's stacked the two before....
i can hold RP in the low 20's..i basically use the Quad for towing and driving around daily
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