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!

Dual CP3's and rail pressure question

Old Aug 24, 2007 | 04:02 PM
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Dual CP3's and rail pressure question

When you get dual CP3's, do you still need like an MP8 to keep the pressure up? I love my MP8 and don't want to give it up for anything. BUT, I don't want to put too much pressure through the injectors.

If I do duals, I'll keep the stock injectors so I can dyno it and see what 2 CP3's are worth before I upgrade them.
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Old Aug 24, 2007 | 05:57 PM
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The twin pumps will supply what the ecm demands. Even with twin pumps it will only go to about 24k unless you have a programer or press box fooling it into asking for more. The beauty of twin pumps is they will not drop off compared to singles or modded pumps when you turn things up. I run a beta smarty only on the street and it maxs about 26k at wot. Tim
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Old Aug 24, 2007 | 06:08 PM
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I'm glad you chimed in Tim, your the guy I'll want to get my injectors from. I have no idea what size yet. But I'll probably do injectors and springs at the same time after the CP3's go on the dyno.
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Old Aug 24, 2007 | 08:53 PM
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Let me know when you are ready, I will make you a package deal. You should dyno well, post your results. Are you still running bd twins? Tim
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Old Aug 24, 2007 | 09:07 PM
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You da man Tim!!

I'm dropping some money on my suspension so it'll probably be next spring. I'm still sporting the BD twins. When I need more air, I got a nitrous kit ready to go on.
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