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Mods to replace 15 inch wheels with 16 inch

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Old 11-12-2009, 10:01 PM
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Mods to replace 15 inch wheels with 16 inch

Hey guys will I have to do any modification to put 16x8 inch 88-92 Formula wheels on my son's 86 Firebird with 15's currently on it. Will it increase or decrease my tire choices. Thanks for your help.
Old 11-12-2009, 11:16 PM
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Re: Mods to replace 15 inch wheels with 16 inch

the wheel should fit perfect. however on your tire choices will limit you to a lil shorter of a tire.
Old 11-13-2009, 07:16 AM
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Re: Mods to replace 15 inch wheels with 16 inch

the 15" came with 215/65/15 tires if i remember correctly. if you want to have a correct speedo reading, you'd need 245/50/16 tires like the stockers, or use these two links to find equivalents:
http://www.miata.net/garage/tirecalc.html
http://www.dsm.org/tools/tiresize.htm

oh btw i was wondering if there was anything else you should swap, like the chassis suspension bumper stops? they are different for the 16" wheels imho
Old 11-13-2009, 11:10 AM
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Re: Mods to replace 15 inch wheels with 16 inch

i got a T/A 85, the info about the car on this said i should have 16's. i got 15's now, so i should upgrade? im thinking im getting jiped on the odometer because of having non stock 15
Old 11-13-2009, 02:38 PM
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Re: Mods to replace 15 inch wheels with 16 inch

Originally Posted by transam85dudeman
i got a T/A 85, the info about the car on this said i should have 16's. i got 15's now, so i should upgrade? im thinking im getting jiped on the odometer because of having non stock 15
Wheels diameter makes ZERO difference to your speedometer. It is the overal tire diameter that maters.

Bigger rim = shorter sidewall, for the same overal diameter.
Old 11-15-2009, 12:06 AM
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Re: Mods to replace 15 inch wheels with 16 inch

23/60/15
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