Tire size for overlander with Go Fast Camper, Mopar Lift, winch and gear.

[acmorrill23]

So I've read most of the threads here about 35 or 37s and still can't decide what's the best choice for my new overland build.

Build includes 21' Granite Crystal Rubicon with Mopar lift, Method MR703 wheels with 35 or 37 KO2s, Go Fast Camper and overlanding gear (water tank, battery, shower, etc).

Here are the main things I'm thinking about:

1. I'm getting the Mopar extended warranty for 8 yrs 125k miles and I don't want to get denied because of 37s (mostly for larger components like the engine, electrical etc).
2. I mostly don't "rock crawl" on purpose, but I'm a photographer and when I want to get somewhere to shoot I've been known for trying even when I really really shouldn't ..... think moab or colorado mountains.
3. I've been overlanding with smaller tires for years (but with a shorter wheelbase) and I can get to 80% of the places I've wanted to. Things is I bought a jeep for that other 20% (the 20% are moderate to somewhat hard trails and I'm good at finding lines). Do I need 37s to do that?
4. If I have issues with steering or components with 37s I don't mind upgrading them "as they break" or when needed (not wanting to break the bank, but I have funds if need be) - at the same time I'd like the jeep to last a long time if possible.

Would you recommend 35s or 37s for my use case?

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[Dickster]

Anything you add over stock they can essentially void warranty. They will have to prove the parts you installed caused the damage to deny it but they try. Tire size I wouldn't care too much once the oem steering goes bad I would just upgrade anyways. Motor and trans, as long as it is geared right they will have a hard time with that.

 

[ng1111]

Like you I am also a photographer and wanted a rig to go to hart to find places. I have a 22 gladiator with the eco diesel my jeep dealership said no problems with the 37 and so I went with that. I also went with a Mopar lift hoping that since it was with the dealership would be ok. But I got an AluCab and found that the fox lift would not work. I then changed to the AEV 8100 lift and heavy springs from a Jeep / AEV Dealership. That worked great until I loaded up the truck and it was all over the road. I got the Helwig Swaybar and the truck runs great. I have also figured out how to get my load lighter by not take if everything and the kitchen sink. If you go with 37s and don’t have the diesel then my understanding is parts should be replaced probably sooner than later.

 

[ColoradoCantu]

I know Im late to this discussion but definitely go with the 37s considering the weight you'll be adding, it ill give a little more clearance and cushion when airing down compared to 35s. And 37s look better and its not even debatable. Depending on where you trail, I think you "may" have issues with the Mopar Lift and the weight you are planning to add. Im also building an overlander and Neville confirmed what my research has found. The majority of lift kits dont take into account the crazy weight overlanders add to their rigs. Those kits are fine for most jeepers but not overlanders that carry a lot of extra weight, they handle poorly on pavement and when offroading can make a slightly sketchy off camber situation into and very sketchy one. I have found three companies that do, Clayton, AEV and Dobinson. Clayton has an Overland + Kit and AEV has the Heavy Duty Dual purpose springs. Dobinson, which is what Im going with has weight specific Springs. Im going with their heaviest springs that support 800-1200 lbs. My gladiator is already 700 lbs over stock with just the steel bumpers, rock sliders, winch, smart cap topper, frontrunner rack, my recovery gear and tools. I still need to add camping gear, RTT, fridge, couple of gas cans, water cans, wife, two kids, two dogs, ill easily be over 6000 lbs which is roughly 1K over stock for the Mojave. Also going with Dobinson MRR 3 way adjustable shocks, Metal Cloak Track bars, control Arms and steering stabilizer and 4.88 re-gear for the 37s on Method 703s. I just need to decide which 37 inch tire.

 

[JTGuy]

Go to the dealer and talk to the service manager and anyone that will be involved with your service and tell them of your plans. My dealer has no problem with my mods and they know about them all. I have a 7 year extended warranty. I have them do the oil changes so they get to see me as a customer.
For tires do the BFG KO2 in 37. A great tire that is not heavy or stiff and rolls nice. I have the Mopar 2 inch lift with Method 0 offset wheels and no rubbing.

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