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Old 04-24-2016, 08:01 PM   #51
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Wowwwwie!

Thank you for the info, Mr. Smoke! Awesome. You got me to looking into this. Who knew there was so much accessible data!
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Old 04-25-2016, 06:09 PM   #52
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I'd be happy to help one on one with getting you setup but first please read through this thread.


Any other questions, let me know.
Thanks Smoke! I had chores to do today and couldn't try it, but I will tomorrow.
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Old 04-25-2016, 06:56 PM   #53
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No problem. I have tomorrow off from work so if you have issues, just post.. I should be quick to reply back.
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Old 04-25-2016, 08:19 PM   #54
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I don't use the tow/haul on my 3500 when towing my fishing boat, or ATV utility trailer.......well not very often.

I assume I will use it all the time with the 5'er.

On Chevy, the 'jake brake' isn't really an engine brake. It's a transmission shifting device, much like tow haul. Not sure having both on simultaneously would help......will have to experiment. Ford and Ram are different though.
I'm not sure who started the whole "GMs isn't an exhaust brake" theory, but clearly they are wrong

http://gmauthority.com/blog/2015/03/gmc-explains-how-its-diesel-exhaust-brake-technology-works-to-reduce-brake-wear-video/
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Old 04-25-2016, 08:39 PM   #55
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I'm not sure who started the whole "GMs isn't an exhaust brake" theory, but clearly they are wrong

GMC Sierra HD Exhaust Brake Video | GM Authority

Maybe my misunderstanding?
___________________________________
A compression release engine brake, frequently called a Jake brake or Jacobs brake, is an engine braking mechanism installed on some diesel engines. When activated, it opens exhaust valves in the cylinders after the compression cycle, releasing the compressed air trapped in the cylinders, and slowing the vehicle.
___________________________________
From your link on GM Exhaust brake:
What the technology does is assist the truck in stopping while descending down hills to reduce the wearing of the truck’s brakes. It utilizes the diesel engine’s turbocharger back-pressure in an efficient matter, because hey, why let all of that energy go to waste?
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Not sure those two are the same thing.......but maybe they are.
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Old 04-25-2016, 09:22 PM   #56
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Holy buckets batman. I've flown aircraft that don't monitor that much.
Who watches the road.


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Old 04-25-2016, 09:32 PM   #57
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BandJCarm, I was just pointing out that it is more than just a transmission shifting device. someone else in another thread said the same thing.
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Old 04-25-2016, 09:56 PM   #58
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I probably said it because that's probably what I think/thought.

I really don't know diddley squat about it. A Ram guy told me "That ain't a real jake brake" and I believed him.
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Old 04-25-2016, 10:08 PM   #59
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Originally Posted by polishdon View Post
I'm not sure who started the whole "GMs isn't an exhaust brake" theory, but clearly they are wrong

http://gmauthority.com/blog/2015/03/...ke-wear-video/
X2
Gm uses the turbo vanes to slow the truck in their exhaust braking system.
I think people are misunderstanding the "works in conjunction with transmission and cruise control" with them all doing the same thing.
This is incorrect, it merely means that all the systems work in unison and adjust themselves to accommodate the other options you have selected at that time. ie...tow /haul, cruise, and exhaust brake.
So any layman terms....you just select the driving options you prefer, and everything will work properly and in the way you want them to with out adverse side effects.
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Old 04-25-2016, 10:11 PM   #60
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I probably said it because that's probably what I think/thought.

I really don't know diddley squat about it. A Ram guy told me "That ain't a real jake brake" and I believed him.
He's right, its not. Jacobs is just a brand of exhaust brake.
None of the big 3 use anything like it from what I've seen.
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