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  1. The Knowledge Base X
    I’m not trying to go through the issues of removing the MDS Internals and plan on just keeping it off with a tune (Diablo). What cams would fit and work with the MDS internals still intact. What gains would/should I be seeing aswell?
  2. 300C, Magnum RT & Charger RT (5.7L V8)
    So I have been creating a list of a "budget" 392 for my 2007 300c SRT Design. Here's my thoughts; 6.4 Truck motor, swap in the cam from a SRT 392 motor, use a 6.1 intake fuel rails and injectors, full length headers into a fairly quiet exhaust with electric cut outs. All other external parts...
  3. Charger Discussion (2nd Gen - 2011 to 2014)
    Figured I would share. I put my lightly used (HA! Joking) 144K mile Pursuit on a Mustang Dyno to see how she is doing. I managed to run 8.807 in the 1/8 so I knew she wasn't too tired. She sports a Challenger Cam (Non MDS) with Non MDS Lifters, and a Hemifever 91 octane tune. But Results...
  4. General LX Discussion (1st Gen - 2005 to 2010)
    Hey all, any ideas on a cheap fix for very loud drone on an 07 RT Charger with 6.1 headers and cats, mds off by diablo pred with 91 oct tune? thanks in advance!!!
  5. 300C, Magnum RT & Charger RT (5.7L V8)
    Hey guys, I'm rebuilding my engine and am having a bit of a issue. Maybe you can help out. The machine shop rebuilding my bottom end says that my MDS Solenoids are clogged with metal flakes from the engine issues I had, and he recommended replacing them. Does this sound right to you guys? I...
  6. Want to Buy
    Hey guys, the guy who rebuilt my bottom end says the MDS Solenoids and Lifters should be changed on my motor. Does anyone have some laying around? Even better if your relatively close to Miami, FL (3 Hour Drive?) and I can come pick them up. Rebuilding the engione now and want to have the parts...
  7. 300C, Magnum RT & Charger RT (5.7L V8)
    Recently, I noticed my MDS is not working, and when I start the engine remotely, it turns itself off after about a minute. I do have a check engine light that is a code P0158 related to the O2 sensor - that wouldn't cause this would it?
  8. Parts for Sale
    Looking for a MDS Performance camshaft setup for my 5.7 Sidewinder, COMP/HHP 260, Spartan MDS lifters SRT crank pulley SRT Pushrods Shoot me a pm Thank you
  9. The SRT-8 (6.1L and 6.4L V8)
    So I am wondering what we have as a quality valve train on the 6.4. Where is its limit? Has anyone encountered an issue? Autoshift is 61-6200 shift points, but manual mode cut off is like 63-6400 stock on most 6.4 liter MDS. So if the rpm range on the stick is higher, is it the cam an lifter...
  10. 300 General Discussion (1st Gen - 2005 to 2010)
    Hey guys I’m trying to help a friend of a friend. He lost a valve seat so he ended up rebuilding the engine. Now he is burning an excessive amount of oil and it is only in the MDS activated cylinders. Could this be a lifter problem or something else. This is on an 08 btw any help would be...
  11. Charger Discussion (1st Gen - 2006 to 2010)
    My 2007 Charger R/T shutters as I come to a stop with the MDS engaged. If I disconnect the MDS by unplugging the C-101 connector behind the driver cylinder head, it is nice and smooth when coming to a stop. I made a break out box and used my volt meter to see when the MDS was engaged or off. The...
  12. General LX Discussion (1st Gen - 2005 to 2010)
    My 2007 Charger R/T shutters as I come to a stop with the MDS engaged. If I disconnect the MDS by unplugging the C-101 connector behind the driver cylinder head, it is nice and smooth when coming to a stop. I made a break out box and used my volt meter to see when the MDS was engaged or off. The...
  13. mds

    General LX Discussion (1st Gen - 2005 to 2010)
    i have noticed a definite sound differnce in the sound of the pipes of my 5.7 charger ..... cruzin in 5th in auto stick 60-70 mph piped sound good ..... when cruzin in drive at the same speed it sounds way differnt. got a drone to it that sounds ugly .. dose the mds not kick in when in auto...
  14. Want to Buy
    Whos got the best prices? early 5.7 block: Timing chain kit and non mds lifters. Also need whole engine gasket kit and cam, rod, main bearings.
  15. Magnum General Discussion (2005 - 2008)
    Performance tuners....anyone out there have one on their 5.7 RT? I want to turn off that Damn MDS...it drives me nuts and sounds terrible when on the interstate. They make a module just to disable the MDS and I am gonna go that route or a good tuner just looking for opinions. Thanks much in advance.
  16. The SRT-8 (6.1L and 6.4L V8)
    So on my '18 R/T (5.7)....MDS would turn on almost instantaneously when around cruising speed. Even when doing 45mph or whatever, and obviously on the freeway. On my '19 Scat (6.4) though....it's rarely turning on. On the freeway & cruising along, on flat ground, it doesn't kick in. The...
  17. Charger Discussion (3rd Gen - 2015 +)
    So on my '18 R/T (5.7)....MDS would turn on almost instantaneously when around cruising speed. Even when doing 45mph or whatever, and obviously on the freeway. On my '19 Scat (6.4) though....it's rarely turning on. On the freeway & cruising along, on flat ground, it doesn't kick in. The ONLY...
  18. General LX Discussion (1st Gen - 2005 to 2010)
    Hello all. I am having an issue with my 2008 charger rt, 5.7, stock. It came up with p1411 and p1416. So I changed the plugs first and it did nothing. Then I changed the mds solenoids for cylinders 4 and 6 and also with no luck, still ran rough. So I heard that sometimes you have to...
  19. AWD
    Does disabling MDS with a Diablosport i2 tuner affect the AWD system? I have shut off the MDS, but want to make sure I'm not affecting the AWD. Any answers will be greatly appreciated! Thank you, KrustyTC63
  20. 300C, Magnum RT & Charger RT (5.7L V8)
    I know this has been discussed before https://www.lxforums.com/board/magnum-general-discussion-2005-2008-/410169-irregular-engine-sound-hard-describe.html?highlight=mds+stutter but my 92K mile '08 Magnum RT has just started to stutter below 1500 rpm in MDS, engaging Auto-Stick or accelerating...
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