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5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

Does a 24V need a boost elbow?

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Old Jan 27, 2009 | 05:01 PM
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MotorOilMcCall's Avatar
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Default Does a 24V need a boost elbow?
So, my 99 is giving me 23psi of boost. Do I need a boost elbow to up that? Or is it electronically controlled like everything else on the truck ...
 
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Old Jan 27, 2009 | 05:17 PM
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thats about all your gonna get with a stock truck, and yes BD does sell a boost elbow but once you get that smarty on there, you should be hitting 30 psi no problem which is what the wastegate is set at
 
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Old Jan 27, 2009 | 05:57 PM
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You mean 23PSI is all I'm gonna get with an XZT (or stock). So the stock wastegate is set at 30PSI, I really shouldn't need a boost elbow is what you're saying.
 
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Old Jan 27, 2009 | 05:59 PM
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you might be able to squeeze 35 psi with the boost elbow I cant exactly remember...but yeah 23 is about it stock or with that XZT IIRC.
 
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Old Jan 27, 2009 | 07:15 PM
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Yup you need an adjustable boost elbow
 
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Old Jan 27, 2009 | 08:34 PM
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I think I have one of these off my edge cuz I had the hy and couldn't use it let me know if you want it.
 
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Old Jan 27, 2009 | 08:39 PM
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I thought the wastegate was set at around 22 stock. You do need a boost elbow if you want to take advantage of any mods though.
mishkaya
 
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Old Jan 27, 2009 | 09:36 PM
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I thought they were at 22 also because anything more than that without a box would set the cel.
 
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Old Jan 27, 2009 | 09:43 PM
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When my truck was stock, it would hit 25 psi and after I blocked the wastegate it would hit 30 psi. Now with all my bombs, it will go alot higher.
 
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Old Jan 27, 2009 | 10:44 PM
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With a stock turbo your gonna lose efficiency rating around there someplace after 30psi and anything after that is just wasted wear and tear on the turbo.
 
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