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6.7L Performance Discussion of 6.7 Liter Dodge Cummins Diesels Related To Performance And Longevity

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  #1  
Old 02-26-2012, 05:07 PM
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Default H&S Tuner / Hot Damn 175 Tune Engin Noise

I have a 2011 6.7 with a H&S XRT Pro Tuned to Hot, all delets dun with just replacement pipe turbo back, S&B cold air, Silncer ring cut out of turbo.
At normal driving the truck runs great but when I really put my foot in it, it hesatates and makes a weird noise and vibration for a few seconds and then rolls smoke out and runs like crazy. Just wondering what that vibration and noise could be. And Is it a bad thing to run the truck on Hot all the time. Any thoughts would be great!
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Old 02-26-2012, 05:39 PM
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how about starting by telling us which transmission the truck has and if the rpm rises when its doing all this

cummin_un_glued's Sig:11 6.7 4500 H&S treatment
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Old 02-26-2012, 09:06 PM
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Originally Posted by cummin_un_glued View Post
how about starting by telling us which transmission the truck has and if the rpm rises when its doing all this
I'm gonna bet a G56??? And yeah I'd say its not good on a basically stock truck. I turned my Smarty to a 70hp tune for a day and slipped my clutch a few times. Never again

BIGHORN08's Sig:2008 CTD G56, 6 spd manual, 4" TB, 5" from Delete-Pipe Back, Smarty Jr: SW2 w/ Default Settings, Dual Optima Red-Tops, Auto-Meter pyro & boost-34 psi peak, 30 stabilized; 15.2 ET @ 90.1 MPH14s next year!!!!
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Old 02-26-2012, 11:09 PM
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Not sure.. I will have to look tomorrow. Its a 6 speed auto I know that. It also has dun it before with a heavy load on trying to go up a hill. I will play with it some tomorrow and see if it is building speed or RPM while making the noise.
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Old 02-27-2012, 01:45 PM
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Okay. The G56 is the 6 speed manual. But it sounds like it's doing what mine did when the clutch would slip
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Old 02-28-2012, 09:20 AM
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The vibration might be from converter shudder...not good for trans life.

(do you have any gauges? wonder what your egts are with hot damn tuning....)

Grrrr's Sig:2008 Ram 2500 CTD - Sold
'93 D250 2wd auto (in need of a new trans)
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Old 03-08-2012, 06:06 PM
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I have been told by several times that it is converter shutter. Is there any thing I can do besides turning the tuner down to fix this?
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Old 03-08-2012, 06:31 PM
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injector rattle maybe mine did it with the smarty before i updated when it first came out

coors_man_2005's Sig:08 3500 qcsb 6.7 cummins all deletes raised rail pressure, arp head studs and rocker studs, vulcan head gasket & o rings,(thanks lazarsmith) titanium valve springs, chromoly push rods, silver bullet 66/74/14,fas 150 lift pump, afe stage 2 intake, 12v Cummins carried by 2000 1/2 ton 4x4 dodge 4k.gov springs HD valve springs pump turned up turbo to small
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Old 03-08-2012, 06:37 PM
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keeping it in lower gears by paddle shifting down help alot. keep your rpm up. if you let the converter do that very much it will be toast. as soon as i feel mine do that i let out of it.

diesel pap's Sig:Dodge Cummins Electric Blue Mega Cab
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~ AFPA 8000# Modified Street Diesel Class Points Champion for 2013 ~


& 1991 W250 Dually


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