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  #1  
Old 03-13-2015, 07:19 AM
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Default 4:11's

Anyone running 4:11's (or 4;12's) with 265/75/16's?

Down the road I'm thinking about stepping up to a 33" tire. I'm currently running 265's which still have a lot of meat left.

How will the 4:11's respond turning 265's?

Same question, but with 33's?

Yes, Mike I changed my Propshaft and grease it on the regular
 
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Old 03-13-2015, 09:22 AM
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is that like 31 and a half?
do you do a lot of highway or mostly in town driving?
imo, it won't be that big of a deal to lower gearing, first. especially if you don't have a long highway commute.
3:54 is pretty high. i am at 4:43 with 33s........i'm too stupid to do the math, but that can't be much different than 31.5 and 4:11......i don't feel that i am too low at all. highway rpms are fine.
 
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Old 03-13-2015, 11:16 AM
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Originally Posted by dusty1
is that like 31 and a half?
do you do a lot of highway or mostly in town driving?
imo, it won't be that big of a deal to lower gearing, first. especially if you don't have a long highway commute.
3:54 is pretty high. i am at 4:43 with 33s........i'm too stupid to do the math, but that can't be much different than 31.5 and 4:11......i don't feel that i am too low at all. highway rpms are fine.
Dusty, where do you get your gears from?
What do you feel is the best operating RPM range for highway speeds?
 
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Old 03-13-2015, 11:44 AM
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I get that kind of fun stuff from great basin....Bill is informative (almost to a fault ) they are good to deal with.
I am at like 2700 going 70/75... I can live with under 3000 @ highway
 
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Old 03-13-2015, 11:49 AM
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a$hcroft has this handy little ratio calculator
Ashcroft Transmissions - Ratio Calculator
 
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Old 03-13-2015, 12:19 PM
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I run 285 /70/16s with Ashcroft 4:12s. There is no problem what so ever
 
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Old 03-13-2015, 12:32 PM
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can't we just use one friggin system.....
so Yoops, that is the same size, right? like 31 and a half?
what be your highway rpms?
 
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Old 03-13-2015, 01:15 PM
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Originally Posted by dusty1
can't we just use one friggin system.....
so Yoops, that is the same size, right? like 31 and a half?
what be your highway rpms?
exactly...yea I am told mine are 32s. The rpms are slightly higher. I will have to get back to you on precise number though... I will tell you she does not like much over 75mph either..
 
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Old 03-14-2015, 09:12 AM
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4.11 is too much for 265/75s. You'll be revving pretty high on the highway at 65, and the D2 can accelerate fine with stock gears and 31.5s
 




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