Another gear question

Grimm_Monstrum

Grimm_Monstrum

New member
So I have a a 2011 2 door jk with the 3.8 stock gears d30 front d44 rear of course and I'm running 33's I want to Go to 37's I wheel when I often but I do a ton of road driving so what would be my ideal gear ratio that I should run everyone keeps telling me not to go 5.13's but to go 4.56's any help would be much appreciated
 
steve_r2

steve_r2

New member
Grimm_Monstrum said:
So I have a a 2011 2 door jk with the 3.8 stock gears d30 front d44 rear of course and I'm running 33's I want to Go to 37's I wheel when I often but I do a ton of road driving so what would be my ideal gear ratio that I should run everyone keeps telling me not to go 5.13's but to go 4.56's any help would be much appreciated
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Are you running auto or manual ? that can have an influence on your gear selection.
 
Atch

Atch

New member
Grimm_Monstrum said:
So I have a a 2011 2 door jk with the 3.8 stock gears d30 front d44 rear of course and I'm running 33's I want to Go to 37's I wheel when I often but I do a ton of road driving so what would be my ideal gear ratio that I should run everyone keeps telling me not to go 5.13's but to go 4.56's any help would be much appreciated
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5.13's is what you would want to run with 37's. However, since you have a D30 upfront not exactly what you want when wheeling with 37's the 5.13's are pretty small. I'd say go with 4.88's if you insist on keeping the D30.
 
mdwjeep

mdwjeep

New member
Grimm_Monstrum said:
So I have a a 2011 2 door jk with the 3.8 stock gears d30 front d44 rear of course and I'm running 33's I want to Go to 37's I wheel when I often but I do a ton of road driving so what would be my ideal gear ratio that I should run everyone keeps telling me not to go 5.13's but to go 4.56's any help would be much appreciated
Click to expand...

I'm not sure what is ideal for you, but here's a data point to consider. My Rubicon has a 4:1 transfer case, 5.13s, and 37s, and at 60 mph it runs at the just outside the ECO range on the tachometer (2200 rpm or so). The gas mileage sucks, and the top end is about 20 mph in 4 low, but the Jeep has plenty of torque. :)
 
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