24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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99 custom cold air setup?

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Old Apr 2, 2013 | 08:36 PM
  #1  
duckslayer31's Avatar
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From: michigan
Default 99 custom cold air setup?

I've got a 99 4x4 cummins. Trucks basically stock other than small things like exhaust and lift pump. I was curious to see if it would hurt anything if I ran a 7 inch spectre filter directly off the Turbo. I'm pushing about 30 lbs of boost
 
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Old Apr 3, 2013 | 11:00 AM
  #2  
Mopar1973Man's Avatar
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Joined: Mar 2007
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From: New Meadows, Idaho
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Cold air intake don't exist when a turbo produces 300-400*F temps after the turbo.


So I would worry more about the intercooler performance or watch the IAT temperatures more than wasting money on a cold air intake.

Typically my IAT temps float about +40*F over outside temp. The better MPG are found around 100-140*F typically.
 

Last edited by Mopar1973Man; Apr 3, 2013 at 11:02 AM.
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