Duramax Diesel Exhaust Mods, and Stuff*

drperry

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PenguinLTZ

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Dragging 16K up and down 6-7% grades it now rarely comes out of OD until about 1/2 mile into the grade. In tow/haul it will just go into lockup in 6th and hold it to the top of the hill if I keep my speed at 60. Any faster or try it out of T/H and it will drop a gear.
Exhaust brake in T/H is awesome, now. It held that whole load back coming off the other side at 60/65 through 45 mph corners :D2 I have the air bags set just right.

This was the icing on top. No regens in town, the unloaded mileage increase, and the raw power unloaded are all fun, but the improvements while pulling this kind of weight through the twisty Cascade mountain passes just remove all buyer's remorse you may have :thumbs:

5th wheels are the way to go, boys.
 

drperry

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I don't think I'll see much difference between bumper pull and 5th wheel of the same size on my truck, lol ;)


However, if I go over the 30 - 40 foot mark... Definitely. Though I'm only legally allowed to be 65 feet long... I'm 60 feet or so with my current combo [emoji38]
 

Darkanion

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I don't think I'll see much difference between bumper pull and 5th wheel of the same size on my truck, lol ;)


However, if I go over the 30 - 40 foot mark... Definitely. Though I'm only legally allowed to be 65 feet long... I'm 60 feet or so with my current combo [emoji38]

take-it-to-the-limit.png


:lol:
 

PenguinLTZ

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I don't think I'll see much difference between bumper pull and 5th wheel of the same size on my truck, lol ;)


However, if I go over the 30 - 40 foot mark... Definitely. Though I'm only legally allowed to be 65 feet long... I'm 60 feet or so with my current combo [emoji38]

With a dually no. You drive truck though, so you know what I mean. In the 32 foot range like mine, pulling with a SRW truck, the difference is significant. I always had my trucks and WD hitches set up right, but in high crosswinds you could see and feel the trailer back there swaying pretty heavily at times. With a fiver, they don't budge. Granted, they are heavy as hell, though :lol:
 

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