4k rpm? - Dodge Cummins Diesel Forum
07.5 - 09 3rd Gen 6.7L Performance Parts Discussion Discussion of Performance Parts For the 6.7L Trucks...NO ADVERTISING

 
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post #1 of 4 (permalink) Old 03-20-2019, 06:14 PM Thread Starter
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4k rpm?

Got 103 lb valve springs and new pushrods and bunch of other goodies 🤘 but I got a simple question.. with efilive are we able to tune these trucks to run up to 4K rpms with an auto trans without a 5.9 ecm now or is that only 2010+? And buying a flash scan v2 would I be able to change these parameters myself and have full fueling up to 4K?


2008 Dodge Ram 6.7 (Texas truck):fully deleted:Efilive with reaper performance tuning:Headstudded:95gph fass:AFE Intake:Risky performance fuel rail plug:II (new) stock cp3 pump:S&B open breather kit:5inch straight pipe
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post #2 of 4 (permalink) Old 03-21-2019, 09:00 AM
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You can turn 4k rpm but your going to need more than just valve springs to warrant more rpm. No your not going to be able to adjust anything yourself on a 10+ as you dont have the base file to do so with a v2. If the truck is a 10+ your in the wrong section of the forum as well.
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post #3 of 4 (permalink) Old 03-21-2019, 06:15 PM Thread Starter
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My trucks an 08, I was asking if changing the rpm limits were still only for 2010+ Mcc users or not.. and if not how do I go upon doing this with an 2007.5-2009 6.7 with efilive without changing the ecm to a 5.9

2008 Dodge Ram 6.7 (Texas truck):fully deleted:Efilive with reaper performance tuning:Headstudded:95gph fass:AFE Intake:Risky performance fuel rail plug:II (new) stock cp3 pump:S&B open breather kit:5inch straight pipe
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post #4 of 4 (permalink) Old 03-23-2019, 10:41 PM
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Sorry, I misread your post. You request it from your tuner. Looking at your sig Im not sure if your tuner has the capability to do so or not on cm2100 ecm.
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