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

Head Gasket Setups

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Old Nov 29, 2007 | 09:41 PM
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Default Head Gasket Setups

Well my headgasket is leaking so Im reasearching a new setup. Id like to run about 16-16.5* of timing and no more than 50psi of boost. Will I be okay with just a marine HG? also what size gasket should I go with?
 
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Old Nov 30, 2007 | 05:12 AM
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http://www.flatoutgaskets.com/

CHEAP copper head gaskets, they are good quality too, give them a call......
 
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Old Nov 30, 2007 | 06:18 AM
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MT
pull the head, have it O-ringed, and put a +0.010 marine gasket in.

costs for the job (2001)
300 in the O-ring
425 for studs
140 in the oversized marine gasket
70 manifold<head gaskets
50 anti-freeze coolant

My head only had a +0.005 bow in the very center which was in the tollerance to weather I would have to deck the head or not.... and I did all the work myself with some help from friends.

Its a good time to upgrade to a 3 piece manifold as well yeah its a chunk of money but it should save you in the long run and if you do ever decide to go bigger with the turbo you've already "prepped" the motor for it.
Note* a O-ring motor in cold weather needs to be warmed up before you hammer on it or you risk O-ring damage*

Ian
 
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Old Nov 30, 2007 | 10:58 AM
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Where is a good place to buy the HG and o rings? I think Im going to have to limp it around for awhile until I get some money together so I can do it right. How well will just a marine HG hold? How much is labor usually for this job?
 
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Old Nov 30, 2007 | 11:22 AM
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I did all the labor myself. so I dont know what a shop would charge. Search around your area for a diesel shop that will do the O ring job. OR you can put it on a pallet and sent it someplace to be done. I think the marine gaskets are just the thicker ones +0.010 and +0.020. you'll have to make a few modifications to the headgasket to make sure all the cooling ports match up with the correct diameter.

Ian
 
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Old Nov 30, 2007 | 05:04 PM
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Is it about a 5hour job? just to swap HG's?
 
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Old Nov 30, 2007 | 06:08 PM
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800 is what most diesel performance shops charge, that is what EEP, Scheid and Haisley all told me.......

you might as well spend a little time porting the head and might as well do heavy valve springs....
 
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Old Nov 30, 2007 | 07:40 PM
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already got 60lb springs in there, I just dont have any money to be doing head work right now. I think Im just going to do a marine HG for now and new head bolts and go in and redo it all later. I think while I have them in there Im going to have the valves adjusted and the timing set at 16*.
 
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Old Nov 30, 2007 | 08:29 PM
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you cant afford a die-grinder, some grinding bits and cartridge rolls????? you dont happen to work at the same place i do HAHAHA
 
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Old Nov 30, 2007 | 08:53 PM
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here are a couple pics from my job. Id never done it before and the worst part are all the re-torques! Id say for a beginner 4 hrs to remove and 4-5 to install depending on how hard you worked at it.

the head is different to your undervalved rig but same concept
Name:  head2.jpg
Views: 177
Size:  31.7 KB
Name:  head1-1.jpg
Views: 144
Size:  44.7 KB

Ian
 
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