RX7Club.com - Mazda RX7 Forum

RX7Club.com - Mazda RX7 Forum (https://www.rx7club.com/)

- 1st Gen General Discussion (https://www.rx7club.com/1st-gen-general-discussion-207/)

- - tire size calc (https://www.rx7club.com/1st-gen-general-discussion-207/tire-size-calc-932418/)

rxtasy3

11-28-10 04:37 PM

tire size calc

came across this site while searching google. i know it claims vw but i figure it will work for all.

it seems to stay similar speedo wise to my current tire and wheel setup, i can stay with 13" and go 225/55-13 or 225/45-15 with less than 1mph difference at 65.

http://vw.zenseeker.net/Wheels-TireS...ize_Calculator

just thought i'd share. anyone know what the factory tire size was on the 84 12a car?

94touringFD

11-28-10 05:09 PM

1010tires.com has a great one

t_g_farrell

11-29-10 08:54 AM

Stock size was 185/70-13.

rxtasy3

11-29-10 01:29 PM

well then that puts me around 1.5mph slower at 65 with 205/60-13.

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