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

4000GSK

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Old 01-03-2011, 06:41 PM
Neibe's Avatar
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Default 4000GSK
So as long as I don't exceed 3200rpm's I should be ok with the stock springs and 4000gsk I will do the 60lb springs later as I'm not mature enough to watch the tach or any gauge for that matter when I race someone.
 
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Old 01-03-2011, 07:21 PM
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yep, you will have a lot more bottom end fueling.

Also do some searching and find a better spring than the 60lbs
 
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Old 01-03-2011, 09:37 PM
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So what spring would be better thanks for your help
 
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