Offroad Trailblazers and Envoys

37x12.50x17?

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by AZ2wdEnvoy » Wed Aug 17, 2016 4:57 pm

Anyone put these on with a 3" suspension lift?

Would it even fit/be practical?

Should I go with a 265/75r17 instead?
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by mason10198 » Wed Aug 17, 2016 5:48 pm

37s? You'd need 3" on suspension and 3" on body and I'd imagine some good beating or trimming on the fenders, and you may still be hitting stuff under there trying to make a turn. I think biggest I've seen on a TB without a bunch of insane custom mods is 35s or 36s

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by Grimor » Thu Aug 18, 2016 12:23 pm

I'm basically running 35s and with 3" suspension and 3" body i had to roll (ok beat with a hammer and tin snips) the front fenders.
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by escapepilot » Thu Aug 18, 2016 4:31 pm

I'm running 35x12.50x18s and I had to trim the fenders. I think 37s would need judicious use of the tin cutter. You may also have problems in the rear with rubbing in the front of the wheel well unless you use extended control arms.
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by Regulator1175 » Fri Aug 19, 2016 1:08 am

So the two options you're asking about are a 37" or a 31" tire? you know there is a wide range of sizes in between the two right?
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by KingBird » Sat Aug 20, 2016 8:47 pm

Regulator1175 wrote:So the two options you're asking about are a 37" or a 31" tire? you know there is a wide range of sizes in between the two right?


I know right?

I'm so confused, and here I am sitting here wondering if I can fit 33" with no body lift...
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by ErikSS » Sat Aug 20, 2016 10:16 pm

Search for Tire Lift Chart. Then you can search for build threads on peoples vehicles for more reference. 37s are going to be really difficult to make work even with suspension and body lifts. After you get past the stupid stuff, you will rub the frame, and fire wall. Nothing is impossible, but that's likely to be more work than it's worth.
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by HARDTRAILZ » Wed Aug 24, 2016 4:07 pm

I tried 36s a couple times and they are really the edge without super fender whacking. Although some bfg 37s may run small enough to fit like a regular 35.
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