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4000 RPM Spring?

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Old May 19, 2009 | 07:42 PM
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BurrisWill
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From: Palmer, Texas
4000 RPM Spring?
Hey guys, wondering whether to go with the 3200 spring or 4000. Although the 4000 rpm spring might be a little overkill for me, Is their any negatives that goes along with this?
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Old May 19, 2009 | 07:53 PM
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Bigone721
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Unless you plan on installing alot bigger lift pump and a bigger cam then just go with the 3200 spring. The 4000 won't gain you anymore power but will just cause the injection pump to run dry and fail.
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Old May 19, 2009 | 09:08 PM
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Crossy's son
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From: Quinton, New Jersey (middle of nowhere)
Originally Posted by Bigone721
Unless you plan on installing alot bigger lift pump and a bigger cam then just go with the 3200 spring. The 4000 won't gain you anymore power but will just cause the injection pump to run dry and fail.
What he said ^^^^
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Old May 19, 2009 | 09:16 PM
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peobryant
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No reason to install a 4K RPM spring in a daily driver (in a VE), but if its for competition, then I could see you doing it.

The VE doesn't make any power at 4K RPM anyways.
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Old May 20, 2009 | 11:28 AM
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dstad
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3200 will do you just fine. I think that the rush of revving your cummins to 4k will make you do it often and end up costing you a ip.
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