37s and not re-gearing?

BGA23 · Mar 11, 2015

I'm planning to upgrade to 37s and am on the fence about re-gearing, I realize doing so will help regain the lost performance from going to a larger tire but would I really notice the difference if I don't do so? Everything under the hood is stock, so no engine mods to help enhance the power.

SVT_Aaron · Mar 11, 2015

BGA23 said:
I'm planning to upgrade to 37s and am on the fence about re-gearing, I realize doing so will help regain the lost performance from going to a larger tire but would I really notice the difference if I don't do so? Everything under the hood is stock, so no engine mods to help enhance the power.

You wont notice too much of a difference, I recently upgraded and havent noticed a major difference. however I do have the SVC tune and it does make up for the minor loss in power.

MOLONxLABE · Mar 11, 2015

I drove mine for a year on stock gears with 37 toyo m/ts. It was definitely noticeable, felt pretty doggy in the low end IMO.

I'd recommend re-gearing with 37's but I know most guys don't.

I went with 4.88s but 4.56s is as close to stock feeling you can get with 37s.

vanilla_gorilla · Mar 11, 2015

MOLONxLABE said:
I drove mine for a year on stock gears with 37 toyo m/ts. It was definitely noticeable, felt pretty doggy in the low end IMO.

I'd recommend re-gearing with 37's but I know most guys don't.

I went with 4.88s but 4.56s is as close to stock feeling you can get with 37s.

I think you felt more of a difference because those Toyos are heavy and true 37s, whereas the BFG AT 37 is more of a true 35 and about 30lbs lighter, a TIRE than the Toyos.

So OP, it really depends on what tire you are going to go with as if you need to regear or if you can get by.

RLTW · Mar 11, 2015

I went 37" Yokohama geolandars and haven't re geared, it's not a heavy tire and I have a tune, I still think rehearing is the way to go, and I will do it soon, I also hear you can recoup some of your lost mpg, not sure if true.

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BGA23 · Mar 11, 2015

I'm looking to go with Nitto Trail Grappler, which I think is pretty much a true 37" and around same weight as the Toyos.

37s and not re-gearing?

BGA23

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SVT_Aaron

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MOLONxLABE

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vanilla_gorilla

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RLTW

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