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Safe Cruising Speed for 5.38 gear Roxors

Colderweather86

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Hey, i know it is an old post, but do you still have the 3.73's?
My 2022 with 5.38's have gotta go, I need 3.73's

Thanks Nathan.........
Why not go somewhere in the middle? The 5.38s are too low if you are keeping stock height tires. But if you're going to a 33 or 35, then 4.10 or 4.27s are a good middle ground for lower rpms, but still plenty of torque.
 

txroadkill

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I do still have my 3.73 gears and carriers. They’ve been in the barn and are dusty. I’m sure the bearings need to be either swapped or cleaned really well as they are contaminated from dust and dirt laying in there. i can pack them up but can’t guarantee what pinion went to which ring gear nor can I guarantee the gears won’t get chipped in transit. Ideally they’d be shipped off the carrier and in styrofoam formed container inside of a box.

that said what tire size will you end up at? I’m on 33s and 4.88s. Kinda wish I did 5:13’s instead for a little more crawl and better when I do 35s. But it’s close enough to really not matter much. If your gonna be on 33s or 35s then I’d just try what you already have. If your staying stock then it might make sense to swap gears.
 

AKROX

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I have a 2020 automatic with stock tires and it turns 2600 at 60 mph.
 

Daddyflea

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OK guys I have a 2022 Roxor with stock tires and wheels. I have a Stage 1 tune with 538 gears. My Speedometer is pretty close to correct. At about 2600 I am running 55mph. Around 2800 I am running about 60. My Roxor is comfortable between 55 and 60. Of course my Speedometer pegs out at 60 so I cant tell you how fast it will run after that.
 

Mtyler01

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Just as an fyi for those looking at 3:73 I have an 18 with 3:73 and 33” tires and 2400 is 73 mph on my gps app. I do a lot of highway and around town, have just over 8000 miles and this set up is pretty good for my uses.
 

Spanky

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I'm thinking about 38's from a military surplus store. I don't do rock climbing or hard core mudding. Right now, my 5:38 gears with stock BFG's looks like 3000 rpm @ 60mph.
 
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