CP3 Upgrade - Dodge Cummins Diesel Forum
4th Gen Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine, Transmission, etc...NO ADVERTISING

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post #1 of 7 (permalink) Old 02-14-2019, 01:48 PM Thread Starter
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CP3 Upgrade

Thinking of doing injectors down the road, although I dont know how big I want to go. In the mean time, Im think of the "Bag of parts" upgrade to the CP3. My question is, has anyone out there done this upgrade while still running stock injectors? If so, did you see any gains at all in terms of SOP performance. It's a fairly inexpensive upgrade, but money is money, and I dont like wasting mine. So if gains are minimal, I'll consider/weigh the option, but if gains are none, I wont bother. Any thoughts out there are much appreciated!

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post #2 of 7 (permalink) Old 02-14-2019, 03:26 PM
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Call Shane at motorsport diesel, I had similar questions and he answered every one. https://www.motorsportdiesel.com

2012 2500 Mega Cab True Blue EFI Live by CCS 5" sinister tbe H&S erg delete 325/65r18 Faulken AT3W on Meathod Con 6 Backwoods front bumper
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post #3 of 7 (permalink) Old 02-15-2019, 10:37 PM
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As long as you have good tuning you'll see the difference. I went from the truck losing steam at 3400rpm to spinning 5000rpm no issues with just a 12mm pump

2011 2500 CCSB|Carli|5 blade 72mm|S&S 150%|S&S 12mm|Wilson Patterson 48RE|Freedom Racing Engines 6.8|CTT
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post #4 of 7 (permalink) Old 02-16-2019, 12:33 AM
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Quote:
Originally Posted by Cacciatore View Post
As long as you have good tuning you'll see the difference. I went from the truck losing steam at 3400rpm to spinning 5000rpm no issues with just a 12mm pump
Your able to spin 5k rpm on the stock valve springs?

2012 2500 Mega Cab True Blue EFI Live by CCS 5" sinister tbe H&S erg delete 325/65r18 Faulken AT3W on Meathod Con 6 Backwoods front bumper
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post #5 of 7 (permalink) Old 02-16-2019, 09:38 AM
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Quote:
Originally Posted by cummin_hot View Post
Your able to spin 5k rpm on the stock valve springs?
I did valve springs and pushrods shortly after seeing 4k+ was possible. I didn't expect that big of an improvement with just a CP3 though
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post #6 of 7 (permalink) Old 02-16-2019, 09:10 PM
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A BOP or Shanes Arson 3 doesn't increase max flow. It basically makes the pump (ramp up) or change pressure faster. IF you need more fuel, a stroker is the best bet until you need twin fuelers. Shane is a GREAT source of knowledge, skill, and parts.

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post #7 of 7 (permalink) Old 02-17-2019, 10:01 PM
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10mm pump would be better than bag o parts

2018 2G Swap RevMax Trans
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