Exhaust note? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 15 (permalink) Old 07-07-2006, 01:46 AM Thread Starter
 
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Exhaust note?

Will the new 6.7 sound different than the 5.9?
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post #2 of 15 (permalink) Old 07-07-2006, 01:55 AM
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I would think it would sound different, not sure how much but will be a little different.

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post #3 of 15 (permalink) Old 07-26-2006, 12:33 PM
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I'll vote quite a bit difference in sound. I think you'll hear way more whistle from the turbo than the current 5.9 just because of the VGT. Listen to the new Cummins ISX with the VGT, it sounds similar to the 6.0 with the whistling. It's characteristic of those turbos. Hopefully Cummins will get it right and design it to lose some of that whistle that I'm getting tired of.

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post #4 of 15 (permalink) Old 09-07-2006, 10:16 PM
 
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no it does not sound any different, I was at class on the 6.7 and the aisin trans and there is a world of difference but the sound is not.
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post #5 of 15 (permalink) Old 09-09-2006, 01:18 AM
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Bet there is a little bit more turbo noise, I love the sound of the ISX, can't get enough of it...

Brandon AKA bcumminsmeck
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post #6 of 15 (permalink) Old 09-19-2006, 04:53 PM
 
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The whistle is great I want more and is there any dissadvantages to getting the 6.7 to the 5.9 some people say stay with the 5.9 what should I do? and How do I get more whistle from my beast
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post #7 of 15 (permalink) Old 09-19-2006, 11:23 PM
 
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Replace the stock filter with an aftermarket open element unit. Next replace the stock inlet tube to the turbo with a torque tube. Finally remove the silencer ring in the turbo inlet. That will get you the WHISTLE that you want.
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post #8 of 15 (permalink) Old 09-20-2006, 05:59 PM
 
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What will it take to remove silencer ring
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post #9 of 15 (permalink) Old 10-05-2006, 04:16 PM
 
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The more expensive route is to go with twins. You will have all the whistle you want then.
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post #10 of 15 (permalink) Old 10-08-2006, 11:47 AM
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Quote:
Originally Posted by smokin rat
What will it take to remove silencer ring
To remove the silencer ring. First remove the air inlet tube connecting to the turbo. You may have to take off the air cleaner cover also. The only thing holding the air tube on is a clamp. A screw driver or 5/16 socket will take it off.
Once you done that look in side the turbo housing. You will see the fins on the intake side. Just to the outside of them you will see a ring the is kind of beveled. It is held in by a snap ring. It looks like a compression ring from a piston. Locate the notch on the ring and with a all or the corner of a straight blade tip screw driver start to pry it out. Some come out really easy and some will fight you all the way. Once the ring is removed you will be able to remove the silencer ring. Which is silver, it will basically fall out.
Then just wipe out the inlet side of the turbo to make sure you did not get any dirt in there and reinstall the air tube and the air filter cover and then take it for a ride.
Hope this helps ya.
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