Ideal Gears for 40's
When I was looking for gears for my truck the tallest ones that I remember seeing was 5.13s. If it were my I would probably go the 5.13s, I think the 4.88s might not be enough. Might be wrong but thats just my .02
Originally Posted by Snugg56
When I was looking for gears for my truck the tallest ones that I remember seeing was 5.13s. If it were my I would probably go the 5.13s, I think the 4.88s might not be enough. Might be wrong but thats just my .02 
Originally Posted by hllon4whls
FYI Tall gears are 3.08, short gears are 5.13, IMO. 5.13 is a heck of a lot of gear, although a 40 inch tire is one heck of a tire.
Last edited by FX4REACTION1; Feb 2, 2007 at 01:32 AM.
Originally Posted by FX4REACTION1
What do you think of the 4.88's I want closest to stock cause im on the highway alot aswell and dont want the truck redlining at 75!!
I plugged in my stock combo and it seemed to be right on.
http://www.kabamus.com/garage/gears.html
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use this formula
(new tire diameter/old tire diameter)*Old Gear Ratio= New Gear Ratio
I have also heard that a good rule of thumb is to take your tire diameter and multiply it by 0.12. Ex (40 * .12 = 4.8) so according to this you should run the 4.88
(new tire diameter/old tire diameter)*Old Gear Ratio= New Gear Ratio
I have also heard that a good rule of thumb is to take your tire diameter and multiply it by 0.12. Ex (40 * .12 = 4.8) so according to this you should run the 4.88
Last edited by ferguson41; Feb 1, 2007 at 10:33 PM.
Originally Posted by FX4REACTION1
Yes Sir! 40's with 22's
Originally Posted by BestNTx
I might have missed it in a previous thread but im curious, how are you going to achieve enough lift to clear 40's? and what wheels are you going with?
As for wheels im going with the 22x11 XD Series Diesels, and tires 40x15.5R22 Toyo M/T's
Originally Posted by FX4REACTION1
] dont want the truck redlining at 75!!
I can't pull redline on 31-inch street tires and I've got a blower & 4.10s.
I think BigTruck is right...you may want to consider the shortest (highest numerically) gear that's available.
Your truck is gonna be huge. You gotta post some pics.



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