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Old 09-17-2018, 06:21 PM   #1
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Duramax

Looking at a GMC Duramax diesel to pull a 30 foot classic. The exhaust scares me. Looks like it could get hot enough to damage the AS when it Regens. Anyone have this rig having problems with it?
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Old 09-17-2018, 06:29 PM   #2
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I tow with a Duramax and have no problems. Exhaust temps during regen does not get very much hotter at the tailpipe. The regen process happens further up the exhaust system.
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Old 09-17-2018, 06:41 PM   #3
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2012 AS, 2013 Duramax - no issues.

A friend has those huge mud flaps (that hang off the hitch) on his Duramax and modified it with some diamond plate to prevent the heat from destroying the mud flap. The proximity warrants that. But for straight trailering, no worries.
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Old 09-17-2018, 06:47 PM   #4
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I have never heard of someone walking by a diesel pickup when it was in the regen process and getting burned.
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Old 09-17-2018, 06:55 PM   #5
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Hmm
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Old 09-17-2018, 06:57 PM   #6
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That fire could be caused by anything.
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Old 09-17-2018, 07:39 PM   #7
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I have the big hitch mounted Rock Tamer mud flaps on my Duramax. The exhaust points at the curbside mud flap. I added a metal heat shield to the mud flap and have towed over 20,000 miles without any heat damage to the mud flap despite going thru many, many regen cycles. Wish I had a good photo to attach, but I don't.
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Old 09-17-2018, 07:47 PM   #8
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I tow a 2017 30’ with my 2017 duramax. You’ll enjoy the combo. After 1 year and 14k miles the tailpipe is still soot-free. They’ve done a good job with cleaning the tailpipe emissions and particles.

If you get one buy a 2017+ and take advantage of the latest generation L5P Duramx power plant.

Here’s a picture of my setup.

And here’s also a picture of a Honda Civic on fire. I’m pretty sure it was converted to a diesel and blew up during regen.....
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Old 09-17-2018, 07:49 PM   #9
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Wulfraat - tell us about that gorgeous dog in the door!
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Old 09-17-2018, 07:58 PM   #10
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Coco the Bernedoodle! She was feature on the back cover of airstream life a little while back too !
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Old 09-17-2018, 07:59 PM   #11
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I tow a 28 Serenity with an F250 diesel. Never an issue.
Get the truck. Towing is so much easier with a 3/4 ton diesel...
brick
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Old 09-17-2018, 08:07 PM   #12
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I have a 2018 Duramax and had a 2015 prior to this one. Just finished a 12,000+ mile trip to Alaska and back. I have rock tamers and added the heat shield on the passenger side one where the exhaust exits. No problems on the rubber rock tamers and with the 2017 Duramax, we towed our 30' Classic almost 60,000 miles and no issues ever with the exhaust affecting the trailer. Our pre 2015 TV was a gas model with dual exhaust exiting straight out the back and I was concerned about the heat from that but never with the Duramax exhaust.
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Old 09-17-2018, 08:33 PM   #13
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Thanks Wulfraat - awesome pooch! And apologies to Cdrmar for the highjack (though I did offer my opinion on the question....).

Steve - not feeling tooooo guilty....
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Old 09-17-2018, 09:39 PM   #14
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If you stay with the factory engineered exhaust you will not have any problem (I tow with a 2011 F250 diesel and have mud flaps in the wheel wells and use Rocktamers). If you decide to do deletes, chips, etc....what ever you think you need to do that the factory didn't engineer properly - well then maybe you will ignite something.
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Old 09-18-2018, 11:48 PM   #15
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Quote:
Originally Posted by wulfraat View Post
Coco the Bernedoodle! She was feature on the back cover of airstream life a little while back too !
Awwwww, she's a cutie
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Old 09-19-2018, 08:07 AM   #16
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30K miles towing 25' Flying Cloud in all weathers and several times over the Rockies. Mud flaps with no protection. No problems. 2016 GMC Sierra 2500.
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Old 09-19-2018, 08:23 AM   #17
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We have had a 2011 Duramax, and we now have a 2018. Between the two, we have towed our Airstream over 100,000 miles, without any regen heat issues.

Brian
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Old 09-19-2018, 06:04 PM   #18
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Old 10-03-2018, 09:56 AM   #19
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Go with the Duramax

No worries about exhaust heat. You'll love the modern duramax. Tons of power and torque. Learn to use the exhaust brake in the mountains and you'll hardly touch the brakes.
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Old 10-03-2018, 10:06 AM   #20
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Quote:
Originally Posted by Cdrmar View Post
Looking at a GMC Duramax diesel to pull a 30 foot classic. The exhaust scares me. Looks like it could get hot enough to damage the AS when it Regens. Anyone have this rig having problems with it?
Have towed a 22 ft international and 27 ft Globetrotter with 2013 HD2500 Duran's with no problems.
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