5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

Manual trans guys...

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Old Jul 28, 2010 | 09:44 PM
  #1  
Detroitfire23's Avatar
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From: Detroit, MI
Default Manual trans guys...

I just got my '96 12valve a couple weeks ago & just been starting to clean her up & do regular maintainece. I'm planning on doing the KDP, 4" exhaust w/ no muffler, open the fuel plate & haven't figured out exactly to do with the intake yet. My question is, how strong is my trans & will it hold up to what I plan on doing? What mods, if any have you guys done?
 
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Old Jul 28, 2010 | 10:02 PM
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captain_stabbin's Avatar
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From: houston, tx
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i have a 94 12v 5spd an i am makin sum where close to 350hp
what are your plans with truck, are you gonna tow with it? etcc....
depending on the power you will need a good clutch!
 
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Old Jul 29, 2010 | 05:55 AM
  #3  
94 12valve's Avatar
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From: Pylesville, Maryland
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5th gear nut needs to be fixed, only other thing you should need is the 1 3/8" input shaft ( this willl require a clutch upgrade), thats all I have done to my nv4500 and it has held 585 rwhp for over a year on the track.
 
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Old Jul 29, 2010 | 08:27 AM
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Cool, thanks for the info. My truck will mostly be towing my mustang to the track a few times a year & that's about it. Maybe some snowmobiles.
 
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Old Jul 29, 2010 | 11:26 AM
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my clutch held fine till i took the fuel plate out
 
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Old Jul 29, 2010 | 01:03 PM
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FastCR's Avatar
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My clutch held up with no plate and extra boost, but the 215 sticks pushed it over the edge. Now I'm at 280 hp 920 ft lbs and all I've done is a con ofe southbend.
 
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Old Jul 29, 2010 | 01:07 PM
  #7  
94 12valve's Avatar
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I have my stock clutch sitting on the floor of the shop, it did hold my silver bullet and marine injectors for a while tho.
 
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Old Jul 29, 2010 | 09:05 PM
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for awhile ha! Sounds about right.
 
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Old Jul 29, 2010 | 09:37 PM
  #9  
94 12valve's Avatar
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it only slipped once ... or twice
 
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