Connotaucarius

one more vote for the PacBrake PRXB. Installed it myself, took about 5 hours. The hardest part was finding a place to mount the tank and getting the exhaust to line up. Would have been a lot easier if I had another set of hands.

I have a 6-speed so I added the clutch cutout switch and the hand-shaker activation switch. I didn't need the one that came with the kit. I found that since my middle finger is resting on the switch when my hand is on the shifter, I can easily flick the switch on, or off without really thinking about it. I use it like it's just another gear.

I hear the vacuum pump type, like the Dodge brakes, have reliability issues since they continually run. Most run with the fan belt. If the pump seizes, you either need a new pump or a shorter belt.

sandmanjeeps

I can't decide between the PacBrake and the US Gear, which I had on my 04.
I have a 05 3500 automatic. US Gear makes the point that mounting the brake next to the turbo creates excessive heat, which is hard on the turbo.

Anyone have any thoughts about this issue?

Festus

My pyro climbs far higher under acceleration than it ever has when using the Pac. Btw, my thermocoupler is between the two.

Harold-Pacbrake

If the Direct Mount brakes were an issue, Cummins would not let Pac, Jake, BD and Banks do it.

dakotajam

How does pac-break work on a 03/47re. I've hear the pcm doesn't
have the brain to control the down shifting and the trans won't hold up
Thanks,
John

Harold-Pacbrake

Our kits now come with a transmission controler but your going to have to manually down shift the truck

CalDodge

One of the best items i've ever installed on my truck, love it!


But ya gotta get the HORNS!!!!

Harold-Pacbrake

We have the air horns, mind you they are not train horns but at 120db they will get that little ricer over to the slow lane where it belongs.

lucey

Harold, How does the Pac work on the 04 305/48Re ? Any limitations and such ? Thanks

Harold-Pacbrake

With our new integrated controller the lock up is activated thus allowing the brake to come on, once the transmission drops out of lock-up the brake will automatically disengage. As for retarding performance/stopping power the brake holds really good compared to the older fixed orifice version exhaust brakes. I'm sure quite a few people here that have the automatic with our brake can tell you how much they like it.

dodgenut06

HI, Just thought i would share my thoughts on the exhaust brake. My 06 3500 auto came with the jacobs exhaust brake and I can tell you I love it.I have 101,000 miles on the truck and the brakes have never been replaced. I tow a 45' flatbed and have as much as 10,000# of weight at any given time on the trailer.I travel from az. to ga. and as far north as ny. and mn. It is the only exhaust brake recommended by dodge and doesnt void warrantys. I also like the way it looks under the hood. The pump is ease to get to and is belt driven. I like the fact that there are no holes in the dash. The switch attatches to your shift lever. This is a very clean set up. good luck, dodgenut06

Silverhawx

Do you have to put the clutch switch in when you install a pacbrake on a manual transmission?

CD in NM

No, but without it there is a delay, you'll get used to the delay. I installed the switch after installing the brake, I like the clutch switch much better.

Also, I have the in-line PRXB, it's mounted in the exhaust further back from the turbo alongside the tranny near the tailpiece.


CD

railroaderone

Dose anybody make a real jake brake ie opens exhust valves for the isb 5.9 motor

p035970

Does the Pac or the Jacobs sound as good as the stock EBs on the 6.7s. They have the big rig sound.