35s or 37s - what's required
so a couple of weeks ago i posted about thoughts on a lift
we (the wife) decided on the 3.5" metalcloak overland rocksport kit i added the rear adjustable trackbar, rear coil retainers and rear adj arms (kit has front drop brackets) now she's debating on tires i'm leaning towards 35s (yokohama mt g0003, grabber x3s, deegan 38s, cooper stt pro) she really wanted 37s but i advised against it as i believe it entails a lot more mods i would prefer not to regear i've run 35s on my 2012 rubi 2dr auto trans with just a superchips tune which helped return the stock acceleration but i think going to 37s would require more than that it is a manual rubi (4.10s) i'm thinking regearing and at the least C-gusset reinforcement if going to 37s am i forgetting something? i would rather keep stock fender flares as it lines up nicely with the AEV bumpers (have not seen flat fenders with those bumpers but i think it would look a little off) thoughts/suggestions? BTW- it's 99% a pavement princess but she also doesn't do much mileage..maybe 4000 miles a year |
They both bring the same issues, they are just likely to be more pronounced and show up sooner with 37's than with 35's. I don't think I'd let that sway the opinion, if she wants 37's get em.
From a purely visual perspective, this is 3.5" MetalCloak coils and 37" STT Pro's with stock fenders (before I got around to chopping that set.) For me at least, these coils gave a good bit of height. I would want to drop to 2.5" coils with 35's... https://cimg8.ibsrv.net/gimg/www.jk-...e8a4919a0f.jpg ) |
Hey nthinuf, those coopers are relatively quiet right? IIRC they aren't super loud. I had a buddy asking about them today. He ended up picking Ridge Grapplers in the end. Seems like I hear nothing but good commentary about the Cooper SST though.
I had the original Yoko Geolanders as my first tire. For a MT tire on the pavement they were decent....not loud at all. I hate those MTs you hear coming all the way down the street. I think Yoko made a lot of improvements on that tire to the new one you mentioned. I have not seen/heard those in person, but based on previous model, and especially if not hardcore wheel aired way down to 10psi, I think the Yoko is at least worth consideration. |
Originally Posted by resharp001
(Post 4339191)
Hey nthinuf, those coopers are relatively quiet right? IIRC they aren't super loud. I had a buddy asking about them today. He ended up picking Ridge Grapplers in the end. Seems like I hear nothing but good commentary about the Cooper SST though.
I had the original Yoko Geolanders as my first tire. For a MT tire on the pavement they were decent....not loud at all. I hate those MTs you hear coming all the way down the street. I think Yoko made a lot of improvements on that tire to the new one you mentioned. I have not seen/heard those in person, but based on previous model, and especially if not hardcore wheel aired way down to 10psi, I think the Yoko is at least worth consideration. I personally like the Yokos. Good balanced tire in either 35 or 37 regarding true to size and weight and the tread patters is nice and aggresive. Cooper STT Pros also have an awesome tread pattern |
Originally Posted by resharp001
(Post 4339191)
Hey nthinuf, those coopers are relatively quiet right? IIRC they aren't super loud.
|
Originally Posted by nthinuf
(Post 4339195)
Yep, very quiet compared to others I have run in the past. Around 10k or so they got a bit louder, kind of a more noticeable hum. But nowhere near the loud growl or warble you can hear coming toward you from blocks away. It's funny how different it is here in Austin than up in Colorado, every time I hear that growl coming toward me and expect to see a jeep on big mudders - it is invariably a full-size truck on tiny 30" tires.
if they made a 35x12.5x17 in the STT Pro i would possibly go with that because the 315/70/17 overall diameter is stated as 34.5 and i know all (or most) tires run smaller than advertised all these decisions are a little overwhelming when trying to explain every detail to your better half and helping her understand why size, weight, etc would matter and how it affects acceleration, handling, fuel consumption, bla bla bla |
If it helps any, here are the measurements from when I first put them on. I was actually expecting around 35.5" mounted and under load, so, bonus.
36.77" - Mfg spec. 36.60" - actual measured unmounted height 36.00" - front tire, 17x9 rim @28 psi |
Here's a great thread that breaks down everything you really "need" for 37's:
https://www.jk-forum.com/forums/modi...d-help-349200/ |
Originally Posted by BoraBora
(Post 4339221)
Here's a great thread that breaks down everything you really "need" for 37's:
https://www.jk-forum.com/forums/modi...d-help-349200/ "So, with 37s, you need to think about these things:
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Y, thought hit the OP with that link on previous thread when they were narrowing down thoughts on lift, but maybe not.
The real beating isn't necessarily that 37s entail a bit more, it's just that each change tends to beget another change, and there's no clean break.....but that is kind of the same with modifying in general. For an example, adding 37s to a 3.5" lift was the tipping point of needing to re-position the axles and re-extend the wheel base. No problem, I was willing to pony up for a complete set of quality adjustable control arms. Well, moved the rear axle back which was nice, but then the sway bar links caused interference....no problem, move rear sway bar back, cept that interferes with the exhaust, no problem, replace the exhaust. What's that banging noise going over bumps? Oh, it's the rear TB bolt hitting my rear bump stops....need to stagger those rear bumps now. It's that kinda thing that gets aggravating. I think those lists that myself and Bora Bora put in that thread really addressed what you need to at least think about to run 37s. If just a pavement princess, probably can get by on less, but at least be aware of the bullet points. |
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