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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 10-25-2011, 03:00 PM
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heavy2500 heavy2500 is offline
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Default bringing up the rpm

I have a 03 2500, and the problem im having is the truck is stalling when i come to a stop, its not all the time but when i stop with the truck in drive the rpm's drop down to about 500-550. So what im asking is other than a custom tune how can i raise my rpm's, my dsp wont do it.
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Old 10-25-2011, 03:07 PM
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the 03's are handicapped that way..any other year and the dsp will let you make the change yourself...can you datalog a/f's while you're slowing down, i think the pcm is dumping fuel causing it to stall...
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Old 10-25-2011, 03:14 PM
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Bummer about that year DSP not letting you do that. You might check with DS to see if they have an upgrade that includes that function. I had to move mine up a bit as well.
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Old 10-25-2011, 10:05 PM
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Ill datalog the a/f tomorrow an let ya know about the pcm loading the motor up with fuel. thanks for the help, once i get my cam installed im going to try an get hemifever for a tune, knowing that the pcm in the 03's suck can you even tune them ?
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Old 10-25-2011, 11:58 PM
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try this as well... go to diablo's site/forums and ask the same question there...the diablo engineers (Michael L)will answer it for you..sometimes they can send you a custom crom to offset your stalling issue.. years ago they did something for me before i did custom tuning..
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Old 10-26-2011, 09:08 AM
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will do chefred thanks for the help, you to maddog
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