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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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Old 11-21-2009, 10:01 PM
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Default MDS -- how often?

I am getting an exhaust system ( hopefully next week ) and had been reading that certain systems will make the MDS sound like a Honda Civic when the MDS kicks on. I was just wandering how OFTEN does the MDS kick on? If I am driving without cruise control and my speed fluctuates between 55 and 65, will the MDS not be able to kick on? And when I set the cruise, how soon after I set it does it turn on? Thanks. -- Tim
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Old 11-21-2009, 10:34 PM
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Default

With my '07 my MDS kicks in around these times:

~5 min of idling
stop & go driving for more than 5kms (without flooring it)
highway speeds for more than 5kms (without flooring it)

I can tell by the way my RPMs change, but my exhaust doesn't change since I have the Borla which takes MDS into account.
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