Engine brakes

Discussion in 'Dodge 3rd Gen Cummins 5.9 (24v)' started by Ramified, Jun 20, 2006.

  1. Ramified

    Ramified Active Member

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    Anybody running these? I am thinking about getting one to suplement my truck/trailer brkes when I get my travel trailer. I think Dodge recommends the Jacob or "Jake Brake". Any suggestions?
     
  2. Diesel Nut

    Diesel Nut Well-Known Member

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    I had a Jacobs and I prefer not to run another. Engine driven vacuum pump when out after 40k miles. Go with one that is air operated instead of vacuum. More reliable and you can use the air for other things.
     
  3. Dave@BD-Power

    Dave@BD-Power Well-Known Member

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    Hey Diesel Nut you are everywhere :D you know who sells the best exhaust brake in the industry :stir:

    Hey Ramified, BD offers a great exhaust brake with a full line of transmission controllers for the automatics, here is a link to our BD Exhaust Brake, if you have any questions please don't hesitate to contact me.

    http://www.bd-power.com/ram/product.php?pn=Exhaust%20Brakes&tt=ram
     
  4. Diesel Nut

    Diesel Nut Well-Known Member

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    You know, gotta float around! Can't learn anything sticking to just one forum!:popcorn:

    You guys do build a da** nice brake. The only reason I am liking the Pac over your is the lower RPM performance. You gotta love one that gives you everything at less than redline. waytogo
    When are you guys going to release something like that?:stir:

    I had a Jacobs on my 03 and won't put another one on my trucks.
    Too much headache!:mad:
     
  5. Dave@BD-Power

    Dave@BD-Power Well-Known Member

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    DN, I think you got your brakes backwards, we have proven over and over that the BD brake outshines the Pac when it comes to low RPM retarding.

    Correct me if I am wrong but doesn't does Pac still drill that whole in the butterfly to control back pressure? How can you hold low RPM retarding when your pressure bleeds through a hole in the butterfly?

    Again I apologies if I am behind on Pac design but that's how they have done it for years.

    Do you know if Pac offers an exhaut brake for the 6.0L yet?
     
  6. Diesel Nut

    Diesel Nut Well-Known Member

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    They may on the standard ones, but the PRXB uses a spring to regulate the brake door. The butterfly shuts and at higher revs with more backpressure it opens more to allow the exhasut past while still maintaining 60# or what ever they hold. At lower revs, the door is closed more to keed the pressure againt the motor. Its been a while since I have seen your guy's brake. Are you guys doing it different? I know my Jacobs had the hole in the butterfly.
     
  7. Dave@BD-Power

    Dave@BD-Power Well-Known Member

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    Pac does a lot of commercial use with their brakes and kept the design simple to keep their cost down for mass production. For years, I guess until recently they had always drilled the butterfly to control back pressure and keep the design simple. Like we discussed earlier that makes for poor performance at low engine RPM but is equally effective at higher RPM's. I have been unable to find much information on the PRXB but it sounds like they have gone to a similar design that BD started 20 years ago. BD has focused on the individual end user with our brakes and have always used a PSI rated spring since day one with BD's patented Variable Orifice Technology.

    The fact that we are a full transmission shop also gives us the technology and facilities to design transmission controllers to further control torque convertor lock up and maximize engine retarding. This is one of the reasons we are the only ones to offer an exhaust brake for 6.0L Fords, our 6.0L Ford exhaust brakes include and Auto/Pressure loc to controll and protect the 5R110 transmission.
     
  8. Diesel Nut

    Diesel Nut Well-Known Member

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    Cool. Learn something new every day. I'll never knock a BD product. They are well built (must be, I have your turbos!!).


    The original question - I highly recommend an exhaust brake. When installed on a properly equiped truck they are awesome. I always used mine, towing or not.
     
  9. Dave@BD-Power

    Dave@BD-Power Well-Known Member

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    I don't recall you knocking our product, but I do appreciate you giving me the opportunity to boast my products on the Forum. :D

    Yes once you use a BD or Pac brake, (not sure about the others) you will wonder how you managed without one. We are in the hill of BC and without one I would not load up my rig like I do without one.

    Have a great weekend DN!
     
  10. Seventy4Blazer

    Seventy4Blazer Well-Known Member

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    i have and love a jacobs. i have been reading about the problems with the hich cost vacume pumps. i have had zero issues with mine. i do agree about being able to use the air for other thigns though, BUT i like the factory waranty on the jake....

    6 in one half a dozen in the other.
     
  11. LOUDandPROUD

    LOUDandPROUD Well-Known Member

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    Anyone know what an e-brake costs for an 06 Cummins, 6spd? Having trouble finding a price online....
     

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