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

12 valve build

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Old May 24, 2011 | 07:53 PM
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7.3 Cowboy's Avatar
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Default 12 valve build

Im buyin a 12 vavle and am gonna build it up some but need some advice here is what i have so far. Let me know what y'all think.

150-200 Horse injectors/5-.014 or 5-.016
181/191/full cut delivery valves
3 piece exhaut manifold
O-ring/fire ring head gasket
head studs/bolts
66/71/14 turbo: II Super Phat Shaft 66
4gsk
hd valve springs and keeper
overflow vavle
 
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Old May 24, 2011 | 08:05 PM
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Don't forget to mention that it already has a FASS and a Dual Disc.
 
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Old May 24, 2011 | 09:22 PM
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Thanks for that i never thought of that
ALSO what is all involved with fire or oringing a head ?
 
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Old May 25, 2011 | 05:51 AM
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Fire rings have a grove cut in the head and block. The fire ring is cut out of the stock head gasket, and another one is set in the two groves. Fire rings unless done perfectly don't like heat cycles. O-rings can be installed in the head, the block, or both. A groove is cut and a stainless wire is installed. The factory headgasket is run with o-rings. O-rings are better suited for street use, and will be all you will ever need.
 
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Old May 25, 2011 | 07:35 PM
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So I go with the o ring then.
Can you stud one of these in the truck?
 
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Old May 25, 2011 | 07:49 PM
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Originally Posted by 7.3 Cowboy
So I go with the o ring then.
Can you stud one of these in the truck?
Yeah, you can. You put the head on first, and then thread the studs in, just like you would do with the bolts.
 
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Old May 26, 2011 | 01:40 AM
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First off, your signature is ghey!

Now, what are you going to do with the truck? DD, sled, drag... ?? Then ill give my $.02
 
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Old May 28, 2011 | 05:12 PM
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dd trailer puller mostly
 
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Old May 30, 2011 | 09:43 PM
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Well that whole combo for what your doing doesnt make since to me.
 
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Old May 31, 2011 | 09:45 PM
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why doesnt it?
 
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