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Plus Sizing ?

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Old 20 Jun 2014, 09:32 am
Cool Cruiser
Join Date: May 2014
Location: Chalfont, PA
Posts: 333
Default Plus Sizing ?

I'm looking to take up some wheel well gap, without going to a lowering spring. Or at least make the appearance better. I now have a 205/55R16, a plus 1 is 215/45R17. Can I still go to a 215/50R17 without a problem? Your thoughts would help me settle mine. Thanks
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Old 20 Jun 2014, 10:25 am
2step's Avatar
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Join Date: Oct 2004
Location: New Braunfels, Texas.
Posts: 1,672
Default Re: Plus Sizing ?

The "problems" will be livable but still real. You will have speedo error due to the larger circumference and to a lessor degree you are effectively changing the gear ratio with a slight loss of performance off the line. But your "overdrive" will be more overdriven than normal which may give you a few more drops of fuel per mile on the interstate. It's very likely that a taller circumference tire will rub on the front strut. You can simply bend down by the front tire and slip your finger between the top, inside shoulder of your present tire and the spring perch of the strut to see for yourself how little room there is for more tire (taller tire). You can go to a staggered set up with a slightly taller tire on the rear axle with no rubbing issues or effect on the Traction Control. The rear tends to have a bit more "gap" anyway so doing that might get you close to your goal.
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Old 20 Jun 2014, 02:17 pm
Join Date: May 2011
Location: Dallas Texas
Posts: 3,722
Default Re: Plus Sizing ?

Get it lowered, changing the tires won't help much at all
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Old 20 Jun 2014, 03:37 pm
cruserdad1976's Avatar
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Location: st james mo
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Default Re: Plus Sizing ?

well i never liked a lowered car probaly cause i live on a gravel driveway but its hard tt get a tire to fill the wheel well with out some issues
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Old 20 Jun 2014, 05:16 pm
Cool Cruiser
Join Date: May 2014
Location: Chalfont, PA
Posts: 333
Default Re: Plus Sizing ?

Tanks for the info. I did do some checking to see what issues I might have, and the speedo did come up. I'll have to check out the lack of room in the front.
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