285/70 17" - Height measurement on vehicle?

tnard · Apr 21, 2017

Trying to decide on tire size for wife's Rubicon. Installing a TF Performance leveling kit (coils) and was going to go with 285/70 17" Nitto Ridge Grapplers. Shop that is doing the work asked me if I really want to put the 31" on the vehicle or go with a 33".

Wondering what this size measures out to on the vehicle. Anyone with some digits?

I figured that they will indeed be at 32" or just under when on the vehicle because the 295/70 17" on my jeep measure out at 32".

I think the 285's will look good with the leveling kit though and I can't have my wife with bigger tires than me right?!

Thanks in advance for the input and thoughts.

Todd

Iratepirate · Apr 21, 2017

All depends on the tire and what psi you run in them. My 285/70/17 Falken Wildpeak AT3 E-rated come in at just under 32.5" if I remember correctly.

Old Dogger · Apr 21, 2017

^^^Just click on the PICS to enlarge.

Mine has the 285/70R/17 C Rated Nitto Ridge Grapplers, mounted on a 9" wide Rim, with 4.5 Back Spacing.

1" Teraflex leveling spacer up front.

This will give you a idea of what it will look like.

O.K., Measuring horizontally at the approx. center of the tire with 35 PSI, it measures about 32 1/4".

otto09 · Apr 22, 2017

My 285/70/17 Cooper Discoverer AT3's @ 32psi come in at 31.5".
Great tires, But now want something more aggressive looking AND going to a 285/75/17.
Leaning towards the Falken Wildpeak's.

SDot · Apr 22, 2017

Here's mine.. No lift, 17" wheels and 285/70/17 Ridge Grapplers at 33psi measure at 32.25" mounted up..

TheScott · Jun 22, 2017

My old Nitto Terra Grappler G2s measured 31.5 on the nose.

Anyone else have mounted height of the 285/70/17 Falken AT3W?

TheScott · Jun 23, 2017

Mounted the Falkens tonight and they are exactly 32" at 34psi.

4xfour · Jun 22, 2017

BFG KO2 measure 32.25" on my JK. Speedo is closer to being correct when programed to 32" though.

Pedro7 · Jun 22, 2017

My Nitto Terra G2s are at just under 32" at 34psi and they have almost 20k miles on them.

CTarna · Dec 16, 2019

Found this when I was looking after install on Saturday.
Tire: Falken AT3W LT285/75R17 (2803012)
Rim: 17"x8.5"
Pressure: 35psi (cold)
One full rotation: 102.5"
Tire height on vehicle (rotation/pi): 32.63"
Set FlashCal for 32.75" tires and GPS and speedo are spot on.

This is 1.27" smaller than the claimed height on Falken's site and I am disappointed.
https://www.falkentire.com/tires/light-truck-suv-cuv-tires/wildpeaka/t3w-tire

ErickW · Dec 16, 2019

My 285/75/17 Terra Grappler G2 measure right at 33" on the nose. Nitto specs these at 33.9.

rdg04578 · Dec 16, 2019

My 285X75X17 Maxxis Buckshot II MT-764 on stock ruby rims measured just over 34 inches. Calibrated tire size for 34.2 and speedo is dead nuts on. Do have a 2.5" JKS lift but I think with a leveling kit they would fit.

USStrongman · Dec 16, 2019

Measure the tire before and after mounting. There inlines the difference.

CTarna · Dec 16, 2019

Would you stop making sense, brother!
This IS a forum, after all!

(still not happy with 32.6" on a 34" tire!)

285/70 17" - Height measurement on vehicle?

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