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

puting a 6 speed in a 12 valve

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Old 03-08-2010, 11:12 PM
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Default puting a 6 speed in a 12 valve

im geting a 98 dodge 2500 12v 4x4 and want to put a 6 speed tranny in it what will i need it get in order to hook it up
 
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Old 03-08-2010, 11:20 PM
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Are you starting with a 5 speed or auto?
 
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Old 03-08-2010, 11:21 PM
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5 speed
 
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Old 03-09-2010, 10:21 AM
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why are you doing all that work for one lower gear then? it can be done but why? the final ratio in those are close to the same.... IMO just build the 5 speed...
 
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Old 03-09-2010, 10:50 AM
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5 spd are way cheaper to rebuild than a 6 spd. and believe me either will need a rebuild if you bomb it rite.
 
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Old 03-09-2010, 11:39 AM
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stick with the five speed, 6 speeds are very spendy i bought one to replace my auto,
 
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Old 03-09-2010, 09:32 PM
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i've been haveing problems with 5th gear in my 94 cummins it will get stuck in gear then i have to drop the drive shaft then remove the back of the tranny to pop it outta gear then it works for a while and gets stuck again i know what the problem is but i dont know how to fix it right do anyone know how to do it or should i replace the 5th gear
 
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Old 03-09-2010, 11:20 PM
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replace you or it might be a shifting fork..... i would repair that before even doing the 6 speed

my .02
 
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Old 03-09-2010, 11:37 PM
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i know it aint the shifting fork it the pin things idk what their called 1 of them trys to go out instead of in im probly gonna have to replace it because the tranny has over 300k hauling miles on it and i've been runnig a stock clutch on it with a #10 fuel/torque/cam plate on it now the clutch is burned up on it o and i got a bad oil leak comin from the front of the engine and when i open it up it blows the oil stick blows out does anyone know what the problem is there
 
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Old 03-09-2010, 11:43 PM
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300,000 on a nv4500. Thats a record
 


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