2012 3:21 with 35" chime in
- Thread starter gtony12
- Start date
OverlanderJK
Resident Smartass
Auto you will be ok with a procal. It will search for gears more often. A manual you won't be able to use 6th I would guess.
Bullwinckle
Hooked
I have the exact set up and it's ok and livable but is a little underpowered when going up hill and keeping up with people going 80 haha but does good! 
Ray
Ray
Beyrgut
New member
It's tolerable if you live in relatively flat areas and don't do a lot of highway driving. Even with the procal there are times on the highway its almost unbearable in finding gears. On way too many occasions it has downshifted into 2nd when in the 70ish mph range for absolutely no reason. I didn't have the issue prior to the tires so pretty much bumped up the regear to the next major mod after first of the year. A lot of people have had good luck with their 3:21 sadly I'm not one of them as I was really wanting to hold out on a regear when I went to PR44 up front to replace the D30. I would say mount up the 35s and give it a go, it may work out great for you.
I know it doesn't do you much good but 3.73's and 35s aren't bad. I can break them loose on dry pavement (if I try). 3.21 would be ok on flatland but I would assume the mountains would take a toll on the tranny. I would stick with it if you plan on bigger tires later but if 35 is your max tire size then I would to switch to a better gear to suit your tire.
NFRs2000NYC
Caught the Bug
I have a 2012 sport with 3:21's wanting 35"s. If your running this setup please post pictures and how you feel with the setup.
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I had 33s with 3.21s. It's (as eddie said) "livable" when tooling around NJ, but absolutely kill yourself horrible if you need to deal with ANY form of elevation. 5th becomes useless (in an auto) and you get better MPG in 4th than in 5th. Cruise becomes worthless because it downshifts every 37 seconds. It's terrible. Personally, 35s and 3.21....I'd rather piss glass, but that's just me.
darkscion0
New member
I've been on 35s with 3.21s for about 6 months now. I did the AEV procal which helped with the shift points on the auto. I'm not able to break the tires loose on dry pavement but I also have had no issues what-so-ever on the trail.
OverlanderJK
Resident Smartass
07 and 12 are way different animals even if you have the same gears.
