Banks Bighead Wastgate for LB7

fast03

Active member
Jun 15, 2008
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do you have a tune or efi? stocker will only hold about 25psi, banks will hold more than 35. I ran mine up to 38psi. No tune , does not matter keep the stocker.
 

TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
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My stocker runs 32-33psi right now, but bleeds off a lot of boost between shifts..usually 7-8lbs. Im hoping this wastegate opens/closes at a quicker rate to help shorten recovery time. Will let you know how it works when I finally get the truck done.
 

workin' diesel

factory tuned
Nov 13, 2010
630
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Coalhust, AB Canada
I bought the BD version (exactly the same). I noticed that it builds boost quicker and more of it. Like these guys said, it works even better with a tune and I only have a Hypertech tuner. If you really want to save money just pinch off the waste gate tube! :thumb:
 

blk smoke lb7

<-----Lots of green $
Nov 8, 2010
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belvidere,ill
I wouldnt pinch the tube you have to have some bleed off IMO.just get the ppe boost valve for 30 bucks and put that in it will take longer to bleed off:woott:
 

TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
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Mid Michigan
I bought the BD version (exactly the same). I noticed that it builds boost quicker and more of it. Like these guys said, it works even better with a tune and I only have a Hypertech tuner. If you really want to save money just pinch off the waste gate tube! :thumb:

Uh, no. I hope you were kidding.

If you want to do something on the cheap, use a PPE boost valve. That is what I currently run.
If you need adjustability, use a Kennedy Diesel valve or something like that.
 

blk smoke lb7

<-----Lots of green $
Nov 8, 2010
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belvidere,ill
Uh, no. I hope you were kidding.*\7**

If you want to do something on the cheap, use a PPE boost valve. That is what I currently run.
If you need adjustability, use a Kennedy Diesel valve or something like that.
:rofl:i know a dumb a** that did that,he was buying a turbo a few thousand miles latter.But dam was it fast for a few thousand miles :roflmao:
 

fast03

Active member
Jun 15, 2008
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Your right Tom. The stocker bleeds off some boost cause it partially opens. When I had the banks it held all the way up. Only time it would open would be if I was pulling my trailer hard in the sand and chop the throttle. My stocker was kinda week Iguess. I am pretty sure it never saw 30psi
 

TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
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Mid Michigan
Your right Tom. The stocker bleeds off some boost cause it partially opens. When I had the banks it held all the way up. Only time it would open would be if I was pulling my trailer hard in the sand and chop the throttle. My stocker was kinda week Iguess. I am pretty sure it never saw 30psi

One thing Nick always wanted me to do was run an aftermarket gate. Told me it should help. I just finally got around to it.
 

CancerPipe

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Aug 8, 2007
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I've had good luck with my banks gate and kennedy boost valve. You don't realy need the kennedy or ppe valves with the banks wastegate, but its quicker and easier to adjust the kennedy valve than it is the wastegate.
 

TheBac

Why do I keep doing this?
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Apr 19, 2008
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Mid Michigan
Just have a question on setting this thing up. I ran 34psi thru a regulator and a gauge to the wastegate, and adjusted the wastegate rod so it slid into the "closed" turbo gate hole without binding.
When I let the air pressure off the wastegate, the rod sucked back about 1/2", tightening the turbo gate up. Is that how its all supposed to work?

Just have to load the race tune and go make some back-road runs and see where its at.
Should I expect to see ~33-34 lbs boost since thats where I set it or do these things need real world adjustment after initial setup?


Thanks for any info.


Oh, and truck is finally ready to go to the track now. Ive got .15 to catch. :)
 

Noreaster

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Jun 13, 2007
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Just have a question on setting this thing up. I ran 34psi thru a regulator and a gauge to the wastegate, and adjusted the wastegate rod so it slid into the "closed" turbo gate hole without binding.
When I let the air pressure off the wastegate, the rod sucked back about 1/2", tightening the turbo gate up. Is that how its all supposed to work?

Just have to load the race tune and go make some back-road runs and see where its at.
Should I expect to see ~33-34 lbs boost since thats where I set it or do these things need real world adjustment after initial setup?


Thanks for any info.


Oh, and truck is finally ready to go to the track now. Ive got .15 to catch. :)

Yes Tom thats how it works, if it pushed at that psi expect to see that on the gauge although Id back it down to 32 or you want a reason to get a new turbo?
 

Kspen90

<<<got turbos?
Jul 14, 2011
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According to a few reliable sources the stock IHI turbo goes out of it's efficiency range at around 26 psi (meaning that it's creating more heat than it can push out) higher temps equal less power. Just some food for thought, sometimes turbos still confuse the hell out of me lol