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

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  #31  
Old 12-04-2010, 02:29 AM
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oh im not going to be pushing 70lbs of boost by no means i'll have 50 at the most i don't have the money to spend on twins and a suncoast tranny and all that other fun stuff i'd need for that
 
  #32  
Old 12-04-2010, 01:31 PM
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In my honest opinion your pushing the limits with 50 with stock head bolts. But its only my .02 and it all depends on the truck, your driving style, and your luck
 
  #33  
Old 12-04-2010, 02:55 PM
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Originally Posted by BRE
In my honest opinion your pushing the limits with 50 with stock head bolts. But its only my .02 and it all depends on the truck, your driving style, and your luck
thats the truth some of us aint got no luck if it wasn't for bad
 
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  #34  
Old 12-04-2010, 08:46 PM
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well i've been lucky so far with this truck (knock on wood) the only things that have ever messed up have been electric stuff
 
  #35  
Old 12-05-2010, 07:58 AM
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heard that and i think u will be fine pushing 50 u can retorque your head bolts down. im not sure wat order u do it or wat torque u go to but im sure it would help for a while. im gonna wastgate my turbo at 35 psi and call it done.
 
  #36  
Old 12-05-2010, 08:55 AM
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Originally Posted by blazier18
heard that and i think u will be fine pushing 50 u can retorque your head bolts down. im not sure wat order u do it or wat torque u go to but im sure it would help for a while. im gonna wastgate my turbo at 35 psi and call it done.
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Step1- all bolts to 66 ft.lbs.
Step2- all bolts to 89 ft.lbs.
Step3- rotate all bolts an additional 90degrees

thats how the stock bolts are torqued. most will take step 3 to 135 ft/lbs. If you are going to retorque your head bolts make sure there not stretched out first or they could break

Also when your done you have to reset your valve lash
 
  #37  
Old 12-05-2010, 01:48 PM
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im guessing a nice big torque wrench would work good for this? and how exactly do i get to this because i've never even though about messing with them until now?
 
  #38  
Old 12-05-2010, 02:09 PM
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Well your gonna have to pull all the valve covers first, and yes a big torque wrench is necessary because after 26 bolts it tends to get a little old!
 
  #39  
Old 12-05-2010, 04:15 PM
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Originally Posted by big *****
im guessing a nice big torque wrench would work good for this? and how exactly do i get to this because i've never even though about messing with them until now?
on my 1st gen i have to undo the injector lines at the injectors and take out a couple of bolts that the injector line brackets are mounted with... then the injector lines will move out of your way. if you dont do that you cant get to a hand full of bolts. also youll need to undo one small hose (i believe for the heater core lines) to get to bolt number "26".
 
  #40  
Old 12-05-2010, 04:30 PM
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wat you mean rotate all the bolts? and sayin make sure there not stretched rite?
 


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