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Rammin360
 
  Cylinder Deactivation System - Posted: 09-09-2009, 10:40 AM
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Post #1

I'm looking at an '09 and I'm currios about the cylinder deactivation system. Has anyone heard of or have experienced any problems with this system?

What's the buzz-- good, bad indifferent??
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BULLRAM
 
 Posted: 09-09-2009, 10:52 AM
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Post #2

I have a 99 and now an 09, the MDS as it is called is almost a seamless transition from 8 cylinders to 4, the Dodge has had this system for a while, and it works great, the mileage ,amn the power is what drew me in, the horsepower is raised to 390 this year, with a few things done to it, go and test drive one you wont believe how it runs, and when it is in 4 cylinder mode,it just purrs along, step on it a little or a lot and it is back to the 8
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bigtrucker
 
 Posted: 09-09-2009, 11:51 AM
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Post #3

3000 kms, I have found it to be seamless.
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wyat72
 
 Posted: 09-10-2009, 05:08 AM
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Post #4

I have it on my 08. It has worked flawlessly and I love it. I have never heard of anybody having problems with the system.

You will find that many people on here don't like it because the have changed there exaust. If you go with a loud setup it makes your truck sound kind of dumb, like a Honda or something. That is the only complaint I have seen about it.
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darkwind72
 
 Posted: 09-10-2009, 08:43 AM
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Post #5

Mine switches from eight to four cylinders easily, and there's been no engine roughness in the transition. When you plant your foot, the transaction back to eight is seamless.
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canddmeyer
 
 Posted: 09-10-2009, 04:33 PM
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Post #6

I'm supposed to have it, but if it has activated I haven't been aware of it!
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BGR1960
 
 Posted: 09-17-2009, 09:08 PM
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Post #7

Check out this link in another section of dodgetalk.com

http://www.dodgetalk.com/forums/showthread.php?t=263808
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macleoud
 
 Posted: 09-20-2009, 01:50 PM
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Post #8

its the real deal here............... it freaken works............. only time I can tell it is on is when the evac system says its on..........
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zabman
 
 Posted: 09-20-2009, 06:25 PM
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Post #9

Do the same cylinders deactivate all the time?
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topgun
 
 Posted: 09-20-2009, 07:16 PM
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Post #10

Yes, the same 4 deactivate. The engineers were questioned about wear and it seems there is no difference.

If you Google about the MDS setup, there is a lot of info out there. Been on the cars from at least 2005, trucks since 2006. Haven't really seen or heard much of anything about people having issues. The main thing is to change your oil at the recommended intervals and to use the proper weight which is 5w-20 since it is all oil activated.
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dynoman10
 
 Posted: 01-20-2010, 06:53 AM
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Post #11

Keep your oil changed and enjoy...........MDS works excellent
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mastertech
 
 Posted: 01-20-2010, 09:59 PM
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Post #12

its a simple system that works great.
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Oosik
 
 Posted: 01-21-2010, 02:05 PM
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Post #13

I only notice mine switches because I swapped the exhaust out and I get the 4 cylinder dual exhaust sound. It's smooth though.
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OFxCoyote
 
 Posted: 03-24-2010, 09:08 AM
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Post #14

I had it in my 08 1500 Ram with the Hemi and it worked great. After I got my exhaust work done I disabled it with the SC 3865 due to the crazy drone that it had. I just traded the 08 in Monday night for a 2010 Ram 1500 CC Sport Hemi and you can't even tell that it's on unless the eco light is on in the dash. I did notice so far that in the 2010 the transition from 4 cyl to 8 cyl is a lot less noticeable than it was in the 08. I can't wait for the 10's to be SC supported!!!!
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BobtheBuilder
 
 Posted: 03-25-2010, 07:10 PM
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Post #15

never heard of problems even on higher mileage rams
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