Pacbrake and BD turbo

[SSalzer]

I am in the early stages of research and am considering upgrading my turbo to a BD Super B or a Phat Shaft, maybe even a set of twins. Will I have any issues mounting my Pacbrake to either one of those turbos or will I bolt up the same as my stock turbo? I assume that if I decided to go with a compound turbo set up, I definately would have a problem and have to go with an inline type E-brake.

 

[jelag]

If the output connection to your new turbo is the same as your old turbo, the pacbrake will connect... if you have a different output, you'll need move to an in-line exhaust brake.

An in-line brake fits in the exhaust pipe with a set of adapters that are cut into the tubing and welded... Most in-line brakes mount in the pipe under the truck. .

In some cases, PacBrake has customer housing that fit some of the larger turbos. See the PacBrake web sight or contact customer service for more information on this. .

The PacBrake housing will move more air than the stock elbow, but only up to a point... as the air volume increases you'll need to consider a different brake housing...

Since all the air powered brakes work the same... all you'll need to consider is the housing assembly and the rest of the installation will remain the same. .

 

[Harlacher]

Stock turbo on the 24vlv is 3. 5 the BD super B is a 4 inch. I had a BD exhaust brake that attached to the turbo and therefore could not use it. When I did the upgrade to the super B I searched for a solution; I did not find any that would work to my satisfaction. When I get the money I will go with an inline exhaust brake.



I have a good BD Exhaust brake sitting in my garage now if anyone is interrested.



Paqul

 

[DE Jeeper]

FYI, If you get twins,from anyone, you will need an in-line brake. There is not enough room for the stock elbow set up.



Aaron

 

[SSalzer]

I'm pretty sure the stock turbo on my truck has a 4" outlet. Please correct me if I'm wrong.

 

[Harlacher]

I don't know aobut the 05s the 99s have the smaller one. I think it is 3. 5, not sure just know it wouldn't fit the new turbo outlet. No room for an adapter either. That is the problem, room and decreasing the outlet size will cut down on performance. I really think you will have to go to an inline brake.

 

[CurtLee]

I'm pretty sure the stock turbo on my truck has a 4" outlet. Please correct me if I'm wrong.

All 04. 5 and up trucks are 4" from the turbo back. That includes the elbow connected to the turbo

 

[SSalzer]

That's what I thought. So, if I get a turbo w/ a 4" outlet, my pacbrake should fit just fine, right?

 

[CurtLee]

If its a direct bolt on it should work fine. If your looking at the BD Super B it replaces the stock down pipe with an HX40 style down pipe and won't work with the bolt on pacbrake. I'm not sure about that though so maybe someone with one will chime in.



You can run ATS twins with the pacbrake if you want to go that far. One of the TDR issue's shows that Writer Doug Leno uses a pacbrake with his but i can't find it. If i do find i'll chime in.



My $0. 02

 

[Bill Weber]

The discharge of the Super B is 3. 5" You have a 4" exhaust elbow. They will give you a spacer (about 1" thick) to adopt to your elbow.

Got a Super B a few weeks back - a real zero. HP is way down, exhaust temps 100 - 200F higher and very low boost. Can get 29. 5#s at 90+ mph PTTM. Does very little until about 1600 - 1800 RPM. Took it off & sent it back to BD. Waiting to hear from them.

 

[CurtLee]

The article is TDR issue 60 page 34 for the pacbrake with ATS twin turbos

 

[tburke]

I have the 62mm 14sqcm housing phat shaft turbo. I tried to mount the mopar brake, and vac. servo hit the firewall. Switched to the PAC BRAKE, fit perfect with no issues.

 

[DCreed]

The discharge of the Super B is 3. 5" You have a 4" exhaust elbow. They will give you a spacer (about 1" thick) to adopt to your elbow.

Got a Super B a few weeks back - a real zero. HP is way down, exhaust temps 100 - 200F higher and very low boost. Can get 29. 5#s at 90+ mph PTTM. Does very little until about 1600 - 1800 RPM. Took it off & sent it back to BD. Waiting to hear from them.

regular "superB" is not much of an "upgrade" for a 3rd gen. it has a smaller comp wheel and a larger exhaust housing. the "special" is a 64/71/14 and IS an upgrade but may be laggy for a mildly modded truck. both use the old HX40 outlet.

 

[SSalzer]

Thanks for the info. Maybe upgrading is a poor choice of words on my part. My situation is this: My stock turbo is leaking oil out of the bottom of the compressor housing. Rather than having the stocker fixed, I thought I would go with an aftermarket set up.