Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

boost pressure

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Old 09-18-2007, 04:36 PM
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boost pressure

what kind of boost pressure valve do i use to control boost i have been looking but there is alot of different valves
Old 09-18-2007, 06:40 PM
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Just disconnect the hose going to the turbo's waste gate and plug it to disable the waste gate. Your turbo on truck is good to 35psi (someone correct if I'm wrong) and with what you have in your signature you won't have a problem with over spooling.
Old 09-18-2007, 07:16 PM
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that is what i did you just have to remember that you are going to be the waste gate but with your set up you should only pull 25 psi i am guessing at WOT
Old 09-19-2007, 07:46 AM
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ok cool ill try that thanks guys
Old 09-19-2007, 03:34 PM
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Originally Posted by DIESELBLOOD
what kind of boost pressure valve do i use to control boost i have been looking but there is alot of different valves

I use a manual boost controller valve I bought online from www.boostcontroller.com. It was cheap and works as advertised.

You just plumb it into the wastegate tubing on your stock turbo. With such a boost controller, you can add to the opening setting of the wastegate, but you can't lower the pressure.

So if your WG actuator rod is set for 20psi, then a valve will let you increase it, but you can't go below 20psi.

Personally, I'd just block the WG on your truck using an 1/8NPT pipe plug. you don't need a controller because you shouldn't be able to exceed 30psi.

jmo
Old 09-19-2007, 06:44 PM
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Any relatively easy ways to do this on the hard-line equipped turbos?
Old 09-19-2007, 07:46 PM
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None that I am aware of. That's why the "turnbuckle" method was devised.


JH
Old 09-21-2007, 08:24 AM
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Originally Posted by winkle
Just disconnect the hose going to the turbo's waste gate and plug it to disable the waste gate. Your turbo on truck is good to 35psi (someone correct if I'm wrong) and with what you have in your signature you won't have a problem with over spooling.
I hit 39 psi once. not stock of course
Old 09-21-2007, 09:42 AM
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seems like on the '01 auto's w/ the HY trubo...folks like bullydog and TST make a J-hook kit that's supposed to keep the wastegate shut until approx 30psi
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