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Ryan33
Dodge Dakota
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3/11/2003
01:25:57
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 Subject: Tire size and Gears
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Message:
I currently have 3.55 gears and would like to swap them out for 4.10's. But first I would like to actually feel what 4.10's will do for me. What size tire do I need to put onto the back to make my rear comperable to a 4.10. Thanks.
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Darryl
Dodge Dakota
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3/11/2003
02:20:54
| RE: Tire size and Gears
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I went to Randys ring & pinion calculator.
Based on: 3.55 gears, 255/55/17 tires (28"height)
I came up with a new tire height of 24.2" x 3.55 gears to equal 4.10 x 255/55/17 (28"height) tires.
Darryl
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modain
Dodge Dakota
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3/11/2003
03:12:58
|  RE: Tire size and Gears
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Message:
www.4lo.com has all the calculators you would need to figure this and other stuff.
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Bottlefed
Dodge Dakota
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3/11/2003
20:44:49
| RE: Tire size and Gears
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Message:
I have a set of Richmond 4.10s that i just had removed today from my 98 RT. They were installed last summer and have about 1500 miles give or take. I switched to 4.56 because i went to a taller tire. I paid 256 and will sell for 200 shipped. mail at dawnf@ndak.net
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Chris2B
Dodge Dakota
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3/12/2003
19:09:09
| RE: Tire size and Gears
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Message:
I have the 3.55 gears and I went from a 28 inch tire to a 32 inch tire. I would like to go to 3.92 or 4.10 gears but where do I buy them and who can install them?
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Bottlefed
Dodge Dakota
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3/12/2003
19:43:58
| RE: Tire size and Gears
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Message:
I paid 256 through Jegs. Just about any tranny shop should Install, mine cost me $201 to install
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Chris2B
Dodge Dakota
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3/12/2003
22:59:19
| RE: Tire size and Gears
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Message:
which ones did you buy?
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Bottlefed
Dodge Dakota
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3/13/2003
09:33:34
| RE: Tire size and Gears
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Message:
I have Richmond and they are 4 sale $200 shipped
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Demon-Xanth
Dodge Dakota
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3/13/2003
10:12:43
| RE: Tire size and Gears
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Message:
If you want, I can UL and post a spreadsheet (excel format) that'll calculate the RPM at any speed, speed at any RPM, given any setup.
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MD
Dodge Dakota
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3/13/2003
23:48:39
| RE: Tire size and Gears
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Message:
I have a 2000, 4.7, automatic - I run 28" tires. 3 weeks ago I went from 3.55's to 4.10's. The 4.10's are the gears these trucks should have been set up with at the factory. Dollar for dollar, this gear swap is the best upgrade you can give a "3.55 truck". At 65 I am at 2500 RPM on the tack in OD. The 4.7 makes its power high in the RPM band. You get a MAJOR infusion of pulling power with the 4.10's vs the 3.55's
I will likely go to a 29.5" tire when I need new tires. The 1 1/2" diferrence in tire diameter will give me an effective gear ratio of about 3.90. If you are going to run 32's or larger, 4.56's would be better. I personally don't care for that tall a tire on these trucks and would recommend you stay at 28" to 30" with the 4.10's. I realize some here will disagree with this view, but excessively tall trucks on a relatively narrow trackwidth is not the most driveable vehicle under many conditions - but, they do look good.
MD
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