Jake Brake for '91 5.9C - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 06-12-2009, 12:45 PM Thread Starter
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Jake Brake for '91 5.9C

Was giving a compression brake that came from 'Camping World' a few years back... any thoughts or experience before I entertain installing it?
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post #2 of 5 (permalink) Old 06-13-2009, 02:11 PM
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They don't make a compression brake for our trucks. None for anything under 10 liters actually. Only exhaust brakes. What brand is it?

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post #3 of 5 (permalink) Old 06-14-2009, 01:23 PM
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Compression engine brakes in a engine under 10L... there were several...
- The 8.5L Series 50 detroit Diesel. Its the 4 Cyl version of the series 60.. was used in FL106 Freightliners and fire, and transit buses.. normal ratings up to 320hp. and
- 2 stroke detroits ie any of them..352,453,6v53, 8v53, 471,671, 6v71, 8v71, 6v92 etc.
- Also mercedes has compression braking avail able in their MBE900 it was available in two versions a 4cyl 4.3L 170-190 hp 420 plus torque, and a 6 cyl 7.2L 330 hop 1000 ftlbs torque. They had both a engine compression brake and a exhaust brake and they wroked together in the right situations.
As Bmoeller stated no compressin engine brake was ever offered in a cummins 5.9L engine. only exhuast brakes. the confusion is th eBrand names of the Exhaust brake manufactuers. Ie Jacobs manufacturers Engine compression brakes ie a "Jake Brake", and Exahust brakes. Dodge did offer a Jacobs Exhaust brake for the Dodge 5.9L cummins engines and it was dealer option for later model years. Other companies are Pacbrake etc..

As for your exhaust brake install.. follow the instructions and it should go smoothly. You probably need access top a welder. as the exhaust piping upstream of the exhaust brake will have to be air tight and have no leaks.. bank clamps can allow the pipes to slip apart etc. so those seams / joints are normally welded to prevent taht problem. also the exhaust valves should be changed to 60lb springs in a exhasut brake install on a first gen dodge it is very easy to do.. Lisle makes a hand held valve compressor etc.. Genos garage sells em and the springs are available every were on the internet etc. pleanty of interent articles documenting the install process are on the internet do a search. It is something you can complete in one day taking your time and with little know how. a afternoon with experience.


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post #4 of 5 (permalink) Old 06-16-2009, 01:05 PM Thread Starter
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PACBRAKE exhaust brake

bmoeller the brand is PACBRAKE.
therabbittree thank you for your post as I was hesitant to install it without positive feedback as far as performance...
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post #5 of 5 (permalink) Old 06-16-2009, 01:31 PM
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Make sure you upgrade to 60 pound valve springs before you install the exhaust brake...

As for pacbrake it a good exhuast brake and you should enjoy it...

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