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

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Old 09-10-2011, 06:16 PM
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right now my turbo is spooling pretty slow till she hits 20 lbs i can peg out my 1600* egt gauge in a second cruising around 70 im at 1100 it seems sluggish on the top end too i also get about 14 mpg on highway aswell im at 15.5 * timing right now i was thinking of bumping her up to like 22-24* what your guys's opinion on timing and anything else i should/can do to help? afc is full forward no plate afc light spring is in smoke screw is backed out almost all the way havent really touched the starwheel though....
 
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Old 09-10-2011, 09:28 PM
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you may want to do studs before that much timing.. what size is that 62?
 
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Old 09-10-2011, 09:36 PM
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Default Re: timing

Anything over 16.5 will trash a factory gasket
 
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Old 09-11-2011, 01:57 AM
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i got new stock bolts torqued down to 155 lotta people told me thatll hold em im pretty sure its a 62/65/14? its an s300 base and some guy in oregon "custom" makes them appartently i bought her used so im not 100% sure
 
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Old 09-11-2011, 08:46 AM
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Default Re: timing

It won't hold it. Ringed and studed will.
 
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Old 09-11-2011, 12:23 PM
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wat about leaving the head on and studding it one by one?
 
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Old 09-11-2011, 01:08 PM
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Default Re: timing

Might hold for a while . But it will eventually blow
 
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Old 09-11-2011, 03:02 PM
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ive heard doing it 1 by 1 is better than pulling the head and getting it resurfaced and new hg since the old one has a solid seal?
 
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Old 09-11-2011, 03:20 PM
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It is the only way to do it if your not pulling the head.
 
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Old 09-11-2011, 04:03 PM
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i know that i mean compared to pulling the head and gettin it surfaced and replacing headgasket. is it any better to pull the head and surface it n all that or just replacing the bolts with studs 1 by 1? ive heard people on both sides of that arguement... i guess my question is why would it only hold for a while? is doing it one by one not as good in your opinion?
 


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