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13" wheel/tire combo ?

tilly819 - 17/9/12 at 10:28 AM

Hi all i am making the swap to 13" wheels on the roadster and was just wondering what most people are do as far as rim width goes and tire width.

I am planning and using a 185/60/r13 on a 6" rim for the front and a 205/60/r13 on a 7" rim for the rear

what is everyone else using?????

cheers

tilly

wylliezx9r - 17/9/12 at 11:07 AM

I didn't think you could go smaller than 15 inch on the roadster due to the clearance on the rear upright.

tilly819 - 17/9/12 at 11:34 AM

you are indeed correct, however my rear suspension is getting a re design

tilly

wylliezx9r - 17/9/12 at 11:45 AM

quote:
Originally posted by tilly819
you are indeed correct, however my rear suspension is getting a re design

tilly

That's cool, I'd be very interested in what you come up with. I really want to switch to 13's too.

tilly819 - 17/9/12 at 11:54 AM

its shaping up quite well, but my plan is a little more extreme than just a rear suspension redesign

tilly

RK - 17/9/12 at 12:35 PM

Ground clearance is another potential problem area. It certainly was on my MK, causing me to miss the whole summer season. Think about where the stops will be on your spring/dampers, and how long the springs will be.

tilly819 - 17/9/12 at 01:33 PM

will do, like a said i am redesigning the suspension so things like that are being considered

tilly

snapper - 17/9/12 at 01:38 PM

If you were running 205-50-15 the difference in diameter using 205-60-13 is -10mm
Should be able to dial that out without to much trouble

dhutch - 17/9/12 at 02:55 PM

My car was on 185/60/r13 front 205/60/r13 rear when I bought it, but now spends most of its time on 185/60/r13 all round due to massive price hike of going wider. The 12m increase in height at the rear on a 185/60 205/60 combo is visually noticable but doesnt look silly.

Daniel

adithorp - 17/9/12 at 02:59 PM

quote:
Originally posted by tilly819
Hi all i am making the swap to 13" wheels on the roadster and was just wondering what most people are do as far as rim width goes and tire width.

I am planning and using a 185/60/r13 on a 6" rim for the front and a 205/60/r13 on a 7" rim for the rear

what is everyone else using?????

cheers

tilly

Thats what I went with, except 6 1/2" rim on the front rather than 6"

wylliezx9r - 17/9/12 at 03:05 PM

quote:
Originally posted by tilly819
its shaping up quite well, but my plan is a little more extreme than just a rear suspension redesign

tilly

Are you planning on doing anything with the caster on the front end while your at it ? That would be nice