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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  #1  
Old 04-30-2009, 12:44 AM
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ok guys this is driving me insane. ive been babying this truck for 862 miles now, not having any fun. havent taken the boost guage above 10 sence the rebuild. there is still blue smoke at idle but is going away slowly. the oil for the most part still looks clean but im changing it at 1000. I was told the rings wont seat for about another month or till the blue smoke completly goes away. any opinions on breking would be great
 
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Old 04-30-2009, 12:50 AM
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just be patient it will all be worth it
 
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Old 04-30-2009, 12:51 AM
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i hate babying my truck im used to lots of power and 45lb boost numbers, i like burning the tires threw every gear, im ready to sell it for a already broke in truck
 

Last edited by 94cummins12v; 04-30-2009 at 12:54 AM.
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Old 04-30-2009, 10:49 AM
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i always thought to set the rings you had to put the motor under load
 
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Old 04-30-2009, 12:55 PM
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wanna trade? mines broken in :p
 
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Old 04-30-2009, 07:40 PM
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no i was kidding. if you have the same mods i have ill switch ya. i was told to never put it under a real load with the initial breakin to set the rings. ive been hauling my boat a few times but its only a 19 footer with a 350 chevy inboard. th blew smoke is starting to simmer down but i dont know if thats from it warming up its 65* today
 
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Old 04-30-2009, 11:07 PM
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it'll all be worth it man patience is key
 
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Old 04-30-2009, 11:58 PM
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ya, ya, im not a patient guy especially when i have alot of go pedal travel left. any opinions on breaking this beast in. i start it up and let it idle at 1000rpm-1200rpm i never get the boost over 10psi. i think my down fall is i only drive this thing 30 miles a day on average
 
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Old 05-01-2009, 06:59 AM
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i've never rebuilt a diesel,but i have a few gas burners.i always drained all the coolant out and let it run till it started getting hot,let it cool and do that about three times.done rings seated,i don't see how a diesel would be any different.
 
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Old 05-01-2009, 11:17 AM
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ya diesels are different than gassers with ring seating it takes longer
 



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