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I have a '10 and run 35s with 3.73s I do a ton of highway driving so it's not unbearable. I heard the new 3.6 is not bad at all, much better than past years and more torque and power. If you can find one with 4.10s its a great option whether you plan on bigger tires or not, if you can't then 3.73s are not so bad. The JK is a gutless pig regardless so "tolerable" is all a matter of perspective.
 

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Looking at a 13 2dr, JK with a auto trans. 4:10s are hard to find, is it worth it to go for 3:73s, I don't plan on larger tires, but BB lift of 1 3/4 inch?
I say do it, 3.73 is fine stock. You can always re-gear it later. If you lift it (even a BB) you'll eventually want larger tires. Stock tires are too small/skinny for even a small lift, IMO.
 

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If you can get 4.10s then go for it. The 4.10s will come in handy if you tow or if you run 33s or 35s loaded with aftermarket bumpers, winch & other gear. If you get it now it will be cheaper than regearing in the future...
 

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4.10s with the 3.6L and 32's actually feels like it's geared just a little too low on the highway. I get worse mileage on the highway than I get on backroads because the engine RPM is a bit high at highway cruising speed.

I start it in second gear all the time on the road.

I'm happy with it because it should be perfect when I move up to 35s.
 
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