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MDS Multi Displacement System Discussion


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  #1  
Old 07-09-2010, 11:03 PM
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Default Bye-Bye MDS ; ; ; Good Riddance

I am on top of the world. I have a new truck that drives great. Only cost me a Diablo Sport Preditor. Yep, it's true. The darn MDS is GONE and the truck runs great. Like it should have when it was new. Now when I put it in overdrive it is in overdrive and not dropping down into rice burner mode and banging on only 4. It was driving me crazy going in and out of MDS even at low speeds of 25 to 30 in town. I always had to turn the OD off just to keep the MDS from making the truck surge and snail.
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Old 07-09-2010, 11:10 PM
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I hear ya man! Getting the DS Predator and shutting that MDS off is great! There is a lot of members on here that have to agree with you on that! I turned it off and my MPG stayed pretty much the same. I was worried that it would go down a bit but it didnt!

I do not know if you have an exhaust or not but thats when this makes a difference. When you have an exhaust there is a drone when the Hemi turns into MDS mode. Shutting it off with the Predator makes it sound like a V8 at all times
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  #3  
Old 07-09-2010, 11:15 PM
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Very nice, congrats on the Predator!

- Cajun
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Old 07-09-2010, 11:27 PM
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Great to hear . Thank goodness my 6.1 don't have that .
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Old 07-09-2010, 11:27 PM
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Nice upgrade!
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Old 07-09-2010, 11:33 PM
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Congrats on rice-less OD!
I was going to wait til I had about 10K on mine before getting a tuner, but if for nothing else than turning off the MDS, I think I will join you soon!
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Old 07-10-2010, 07:53 AM
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Thank you all. It really is like driving a new truck. The MDS was probably failing in my truck since it rared its ugly head ALL THE TIME. I went for a drive last night about 50 miles and it was really enjoyable. The digital MPG said I was getting 5 more MPG than I ever have but those are just entertainment dummy systems. I am going to fill up the tank and then we will see on the next fill up. In any case I have put so many things on the truck lately if there were a fuel improvement it would be hard to say what the biggest contributor was.
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Old 07-10-2010, 09:16 AM
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What tune are you running?

- Cajun
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Old 07-10-2010, 09:58 AM
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That's awesome! Congrats. They make a DRASTIC difference, don't they?! Don't let the door hit you on the way out, MDS!
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Old 07-10-2010, 11:06 AM
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Quote:
Originally Posted by CajunDodge View Post
What tune are you running?

- Cajun
I am running the 93 Octne tune from the Diablo. Haven't played with the shift and rev limiters yet. The instructions that came with the Diablo Sport Preditor leave a bit to be desired, but the feel of the 93 tune and disabling the MDS makes it a whole new ride. How does everyone else have their Diablo set up?
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