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1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

tell me the difference

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Old 05-21-2010, 11:24 PM
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Default tell me the difference
what is the difference between a d350 and a w350
 
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Old 05-22-2010, 12:13 AM
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D stands for 2wd and W stands for 4wd
 
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Old 05-22-2010, 07:44 AM
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ah thanks
 
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Old 05-22-2010, 12:05 PM
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Originally Posted by sweetv8s10
D stands for 2wd and W stands for 4wd
exactly
 
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Old 05-25-2010, 04:04 PM
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tell me what the ecm is for on the 1st gen?
 
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Old 05-25-2010, 10:10 PM
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I actually think its a PCM but I think it only controls a few things like the volt regulater,speed sensor,and I think the transmission od and throttle position sensor but Im not 100% sure.
 
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Old 05-25-2010, 11:45 PM
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is pretty much runs the transmission shifting (auto only) alternator control, and some gauges, thats about it. and they only used a ecm on 91.5 and up. 91 and down uses just a preheater controller pretty much
 
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Old 05-26-2010, 07:27 AM
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Originally Posted by tltruckparts
is pretty much runs the transmission shifting (auto only) alternator control, and some gauges, thats about it. and they only used a ecm on 91.5 and up. 91 and down uses just a preheater controller pretty much
I think that's only 92 and 93. I think on the 91.5 they still use the external voltage regulator, etc...
 
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Old 05-26-2010, 08:21 PM
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i thought they went to an ecm at the same time as the intercooler. i could be wrong though
 
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Old 05-26-2010, 08:25 PM
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my 91.5 has external regulator
 
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