12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Lack of power

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Old Aug 4, 2012 | 08:34 PM
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CLM64's Avatar
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From: Lenoir City TN
Default Lack of power

Hi everyone My names Chris been a menber here for a bit but never posted becuse of most of i have read and found the answer. But this one I cant seam to figer it out so here it gose The truck in my sig with all these mods what should it be making HP wise i know you can't nail it right on just want a rough guess with all mods but with 370's it only made 310 HP at TS and it didn't sound right i just put 5X20's in it and it still feels like it has no bottom end

I hope this is in the right spot if not im srry thanks for all the help Chris
 
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Old Aug 4, 2012 | 09:05 PM
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holy coal roaling freight train!!! loose some fuel so your turbo can light. what are the other specs on the turbo other than the compressor wheel? 65,68,71,74mm turbine? what kind of boost are you seeing? 5x20's and a #10 plate???? i personally think you have WAY to much fuel and possible a very oversized turbo. all makes for a truck that cant get out of its own way. 370's are 5x12's
 
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Old Aug 4, 2012 | 09:26 PM
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its a 66/14is all i know its the sled puller 66 with the 5X20's i can tell some more botton end over the 370's and boost wise is 45 to 50lbs

And that's a good comment about the fright train b/c i am a engineer the old timers at work had nick named it ALCO b/c of the smoke
 
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Old Aug 4, 2012 | 09:48 PM
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the turbine wheel will be a big contributor to spool. im very comfortable saying you are trying to street to much with a 12v. loose lots of fuel and look into the exact specs of your turbo. you've got pullin stuff on a truck you are trying to street. there are some really smart guys when it comes to turbos on here. hang around and see what they have to say.
 
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Old Aug 4, 2012 | 09:56 PM
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thanks man yeah i pull it its a top 10 truck here but on the street i get beat from redlight to redlight
 
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