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  #11  
Old 08-22-2010, 11:38 AM
XxCRAZYBUDxX XxCRAZYBUDxX is offline
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i have a 99 series flowmaster,factory resinatores. i get no DRONE(except for one spot in my area on the same turn everytime) and yes my mds is working..i see alot of people talk of the drone noise..other than that i never get it...LUCKY ME i GUESS
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  #12  
Old 09-09-2010, 08:00 PM
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Quote:
Originally Posted by Flaminchiten View Post
I thought it removed the torque converter lock up but still allows the truck to shift into 5th gear. Please correct me if I am wrong.
I believe you are right, sir. I often tow a trailer, with a quad and frequently use tow haul. Once up to speed on the freeway, it does in fact kick into 5th gear and allows the MDS to take over.

However, if you press the tow haul button twice, it will disengage overdrive, which should also be displayed in the same place as the tow haul indicator light.
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Old 09-09-2010, 09:09 PM
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just get the magnaflow cat back...no drone and lovign it
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Old 09-09-2010, 09:49 PM
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If you have the autostick feature, why not jump bump it into 5th gear? I do, and it seems to keep the MDS off while letting me cruise along in almost top gear.
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  #15  
Old 10-10-2010, 04:48 PM
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so wouldnt just manually putting it in 5th do the same thing?
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Old 10-10-2010, 05:14 PM
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i may be incorrect, i have been before believe it or not
manually shifting the automatic, you see the gear that you are in displayed
when you no longer see it displayed its still in 5th & you have then let the computer decide the shift points & possibly allow it to decide the fuel saver & lockup modes & quite possibly controls the MDS function

Randy tried to explain it to us once, in another post
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Old 10-10-2010, 05:53 PM
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Chit has a very valid point. :P
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  #18  
Old 10-10-2010, 06:32 PM
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I have just a magnaflow muffler and left the resonators NO DRONE!
Another cheap way to get rid of the drone is to go to your stereo volume button, turn it to the right till you can't hear a drone!
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  #19  
Old 10-10-2010, 07:34 PM
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Does running with the tow/haul on all the time have any negative affect to the engine or drivetrain?
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  #20  
Old 10-10-2010, 10:14 PM
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I just tap the shifter over to stay in 5 then the drone is gone and it still shifts thru the gears when you come to a stop light too.
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