4.10 or 4.56 can't decide
09-23-2012, 06:47 AM
#21
formerly TheRawdoh1 (2013-08-16)
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09-27-2012, 10:13 AM
#23
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I have an 08 that came out with 3.23s and I was thinkin about 4.30s until I seen this post. I do quite a bit of HWY driving and 2700 is a bit much. I'm running the same size tires and I have the 4l60e so where would my RPMs be with a 4.10?
09-27-2012, 10:36 AM
#24
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09-28-2012, 11:25 AM
#29
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Yes its about 1700. It's so sluggish from take off and cruising around 55-65, just driving up the slightest incline, it kicks down from o/d and goes into 3rd. If it's too much sometimes it drops all the way down to second. This truck barely pulls its own weight.
