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

fixin KDP damage

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Old Sep 15, 2009 | 10:14 AM
  #21  
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cuz ya gotta take off the rockers n take the push rods out n when ya do, the valves close. gonna need to compress them to get the rockers back on wont i?

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n what about valve lash?
 

Last edited by cummins95; Sep 15, 2009 at 10:14 AM. Reason: Automerged Doublepost
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Old Sep 15, 2009 | 12:29 PM
  #22  
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You will not need a valve spring compressor. As for the valve lash I will let one of the 12V guys answer this since it might be different from my CR.
 
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Old Sep 15, 2009 | 03:07 PM
  #23  
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intake .010 exhaust .020
 
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Old Sep 15, 2009 | 03:14 PM
  #24  
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set at engine cold
 
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Old Sep 15, 2009 | 03:17 PM
  #25  
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just so you guys know some of the years actually didnt come with a gasket between the gear housing and the block, they used good ole silicone, cummins uses the grey stuff. and if you are pulling the cam i always say pull the oil pan. to do this um bolt the engine mounts use a cherry picker and pick up the engine in the truck this should give you enough clearance to get the pan out and makes life much easier with the cam removal. you wont need a valve spring compressor the rocker will do that when you tighten them back down. good luck
 
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Old Sep 15, 2009 | 04:07 PM
  #26  
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alright, well this one had a gasket between so i ordered one.
i also ordered the mack rack plug just for s&g, n since i have so much room to work i slid the plate the rest of the way. next question, how do i adjust the rack travel to take advantage of the rack plug?
 
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Old Sep 15, 2009 | 04:15 PM
  #27  
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thats all in you fuel plate/afc set up
 
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Old Sep 16, 2009 | 09:53 AM
  #28  
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lokk guys dont wanna sound like a dumb *** but what is a kdp
 
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Old Sep 16, 2009 | 10:14 AM
  #29  
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its a dowel pin cummins used to align the timing case with the block, after a while it'll rattle out n cause 1 of 3 things...
1 it falls down around the timing gears into the oil pan n nothin happens
2- (what happened to me) pin falls down lodges between cam gear and gear housing, steel vs aluminum, steel wins... new timing case needed and alot of work to get to it
3- pin falls down, wedges between gears, snaps cam gear off, valves stop moving but the pistons keep on goin, thats the worst case senario
i strongly suggest you tab yours before moving your truck another inch, 100 bucks now is better than 5 or 6 later...
 
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Old Sep 16, 2009 | 12:35 PM
  #30  
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i see what the big deal is now. hell right now would be a great time for me cause the timing case is leaking anyways
 
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