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4.10's or 4.56's???

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Old Nov 8, 2007 | 10:25 AM
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Question 4.10's or 4.56's???

I need to rebuild my rearend right now, I'm debating between going with 4.10's or 4.56's. I eventually want to do a turbo setup. Do you think 4.56's are too much gear for a turbo setup? Let me know what you guys think and what your running.
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Old Nov 8, 2007 | 12:48 PM
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4.30s are also an option
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Old Nov 8, 2007 | 03:45 PM
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Originally Posted by 99/5.3w/hips
4.30s are also an option
Would this be good for a boosted application?
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Old Nov 8, 2007 | 03:52 PM
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4.10's and call it a day
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Old Nov 8, 2007 | 07:06 PM
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what size tires? 60e? More highway or city driving?
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Old Nov 8, 2007 | 09:19 PM
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Originally Posted by Blown02Sierra
what size tires? 60e? More highway or city driving?
Stock tires... 28" right? 60E, I do more city driving then highway, but i don't want to get horrible gas mileage on the highway...I know with 4.56's id be at like 2700 rpms at 70.
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Old Nov 8, 2007 | 10:22 PM
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I would say go 4.10's for power, and 3.73's for mileage/ power compromise. 4.56's would be a bit much IMO.
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Old Nov 8, 2007 | 10:49 PM
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Thanks for the input guys, I'm going to go with the 4.10's
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Old Nov 9, 2007 | 01:36 AM
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With a turbo you want a taller gear ratio like 3.42's to load up the turbo as I understand it.
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Old Nov 9, 2007 | 04:53 PM
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I'm running 3.42's right now....But I didn't know if it would be better to go with 4.10's, even with a turbo setup. I'm hoping to get some more input still.
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