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Old 02-04-2018, 03:10 AM   #1
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315/85 22.5 steer tires???

I am currently running 295/75R22.5 tires on 22.5 x 8.25 Hub steelies, but they are ripe... ...they are original equipment (bus has 26K mi).

I am easing into this painful expense by getting the Alcoa rims now and wanted to run a 315/85 22.5 for steer tires, which means I need a 9" rim up front.

It'll all work mechanically, just wondering if it'll fit & if anyone tried this on a TC2000 or can talk me down from this ledge???

I did find the coolest tire calculator: https://www.tacomaworld.com/tirecalc....5-315-85r22.5

Screen Shot 2018-02-04 at 3.07.14 AM.png

Thanks !
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Old 02-04-2018, 09:29 AM   #2
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Not sure what your current situation is in front, but be sure to confirm that the wider tires will clear everything at full lock.
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Old 02-04-2018, 09:44 AM   #3
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Originally Posted by Tango View Post
Not sure what your current situation is in front, but be sure to confirm that the wider tires will clear everything at full lock.
That is the kicker, Tango- you don't know until you buy them and try.

The dump truck guys run those bigger wheels up front.
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Old 02-04-2018, 10:11 AM   #4
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Worst case scenario you can always re-set the stops. Best of luck with it.
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Old 02-04-2018, 12:22 PM   #5
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I refitted a few of our trucks Petes and Freightshakers w/315's so as to be legal on front axle weight from 11 22.5s and had only sleight clearance issues on full lock to lock barely rubbed springs on rear of front outer springs I would think it should not be an issue but axle geometry might be different on a skoolie.
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Old 02-04-2018, 12:31 PM   #6
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Another consideration is that steering component wear is acclerated by the wider flatter imprint of a 315 over an 10 or 11 22.5 so unless you need the additional weight carrying capacity of the 315 I probably wouldn't do it.The wider footprint can also cause wandering if the axle wasn't designed for them.
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Old 02-04-2018, 12:33 PM   #7
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Originally Posted by Gdog 5651 View Post
I refitted a few of our trucks Petes and Freightshakers w/315's so as to be legal on front axle weight from 11 22.5s and had only sleight clearance issues on full lock to lock barely rubbed springs on rear of front outer springs I would think it should not be an issue but axle geometry might be different on a skoolie.
Thanks- I might loose a tiny bit of turning radius, but looks doable (fingers crossed). I'd really like the extra bit of tire under that heavy front end.
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