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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 11-20-2010, 05:16 PM
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i have an 03 hemi ram with 30,000 miles, headers, cold air, jet chip stage 2, comp 268 cam, and ive just purchased a diablo predator sport tuner for it. it wont idol with just the 93 tune, i have to adjust the fuel and spark. i was told to take it to a diablo dealer but i figured one of u guys have the same and would be able to tell me what tune they set ur prdator on. help me please!!
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Old 11-20-2010, 05:48 PM
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I have an 07 and have the 93 tune with no problem may have to contact diablo
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Old 11-20-2010, 06:12 PM
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Contact a tuner so you can get a good base tune to get your started.
Few people who can assist you that has done a few CMR tunes for the 268
Sean at Hemifever turning
hemifever@aol.com

Stu @ Inertia Motor sports
Tuning@InertiaMotorsports.com

You can also try Johan at DiabloSport but i don't have contact information so maybe check out the Diablo forums.

I personally use Sean.

You can try to add 5% through the fuel trims and increase idle 100rpm through the range until you can get it idling but you have to let the PCM learn the changes.
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Old 11-21-2010, 12:15 AM
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thanks for the advice guys!!!!
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Old 11-21-2010, 09:31 AM
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with all those mods & cam you need a custom dyno tune. that way you can get a good air/fuel ratio, good idle, driveability and tip-in.
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Old 11-21-2010, 11:26 PM
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Did you remove the Jet chip before you programmed the DS?? Might not work together!!
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Old 11-25-2010, 10:34 AM
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Quote:
Originally Posted by NashvilleHemi View Post
Did you remove the Jet chip before you programmed the DS?? Might not work together!!
My thoughts exactly.
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