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

3GSK or 4GSk?

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Old Nov 27, 2009 | 08:35 PM
  #1  
Coco2992's Avatar
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From: Weatherford, texas
Default 3GSK or 4GSk?

ok, i was wondering what i need to go with, do i just go with 3GSK or just go ahead and do the 4 GSK?
 
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Old Nov 27, 2009 | 08:52 PM
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unless u want to change the valve springs then go with the 3gsk
 
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Old Nov 27, 2009 | 08:55 PM
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I got the 4gsk, .imo you mise well. depending on what you are gonna be doing with it. my truck never sees past 3500 and im not worried about the heavier valve springs. i love the throttle respnse. go with the 4 and then when you decide you want to take er there you already got it.. just my .02
 
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Old Nov 27, 2009 | 09:06 PM
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yeah thats what my local shop guy told me, i was just getting a second opinion.i guess it always better to have, then not have when needed

---AutoMerged DoublePost---

also how do yall like it? hows it feel?
 

Last edited by Coco2992; Nov 27, 2009 at 09:06 PM. Reason: Automerged Doublepost
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Old Nov 27, 2009 | 09:10 PM
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ITS AWESOME. totally makes the truck fun to drive. I got a 5-speed and its a blast. If i had a bigger charger it would be even more fun. it fuels very hard to 3500 then i get out of it cause egts are 1200-1400 degress.. ( ya need charger ) but its still a blast! good luck you will love it
 
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Old Nov 27, 2009 | 10:36 PM
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From: Boone, NC
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Go ahead and do the 4k, just dont rev over 3000 or 3200 until you get some valve springs. The 4k fuels harder throughout the whole range than the 3k, plus if you go for more hp in the future you want have to worry about it
 
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Old Nov 28, 2009 | 01:22 AM
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i agree, 4k all the way, just cause you put the 4k in there doesnt mean you have to rev it that high, but you know it will be there if you want too!!! goodluck
 
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Old Nov 28, 2009 | 01:45 AM
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go for it . but its like eating a hotdog when there is a t-bone sitting next to u. self control that is.
 
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Old Nov 30, 2009 | 08:04 AM
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Do you have an auto? If so go for the 4K....I have never hit even 3K on my auto with it shifting itself but the 4K does fuel harder. If you have a stick still buy the 4K and leave the little spring out until you have the money for valve springs if you are worried about going over.
 
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Old Dec 7, 2009 | 09:56 AM
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who maskes good gks's?
 
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