35s on 3.21s???
07-31-2012, 08:00 AM
#21
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I have a 07 jku with 3.21's and 35" Nitto trail grapplers, very heavy tire and a 2.5" teraflex BB lift. But the rig has enough power to get me around. Right now I have no type of CAI or chip so Im getting 12 mpg, on a good day. You will be fine as a DD until you re gear
07-31-2012, 09:01 AM
#22
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I am also running 35's on 3.21 and it isn't too bad. I've got the older 3.8 so you should be better off than me. Unless I am on the highway either level or downhill 6th gear is useless but overall it isn't too bad. I am hoping to regear next spring but in the meantime it gets me where I need to go.
08-02-2012, 10:40 PM
#24
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2012 2dr Auto with 3.21 gearing. Have 2.5 teraflex lift with Toyo OC MT 35x12.5x18 with HD Monsters. Anyways... not that bad. I actually thought I had 3.73 because of it. I still want to go to 4.56 or 4.10 beacuse I just want that extra power! Right now Im getting about 14 mpg (not too bad, but stock was at 18-20). To each there own, but yeah, if you plan on towing anything, then gear up, or stay in 4th gear most of the time.
But absolutely get the ProCal. It is a must with bigger tires. Especially if your going from 29" to 34"tires like me...
Again, this is a 2012 3.6L
2011-under 3.8L is way different.
But absolutely get the ProCal. It is a must with bigger tires. Especially if your going from 29" to 34"tires like me...
Again, this is a 2012 3.6L
2011-under 3.8L is way different.
08-02-2012, 10:54 PM
#25
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I would prefer at least 3.73's with 35's. 4.88's seems entirely excesseive unliess you plan to go to 40's, or just love putting fuel in the tank.
08-03-2012, 03:11 AM
#26
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I have 3.8 with 3.21 gears and 35's. I don't mind it. I have superchips as mine is a 2010. I drove 6 hours to a jeep jamboree this weekend. And I drive an hour and half each direction daily for work. So. I like my gears
08-03-2012, 06:17 AM
#27
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08-03-2012, 08:32 AM
#28
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Originally Posted by TheTerminator
You must be in too high of a gear, or driving too fast for the new tires/wheels. Mine dropped 2mpg or less on highway with a 3.8L.