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Rim Size


Adrian6T

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  • Team Velocity
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  • Member For: 20y 5m 10d
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Well I just got my new wheels fitted, 19 x 8.5 with 265/30/19 rubber for front and 19 x 9.5 with 275/30/19 for rear.

I'd say the fronts are maxed out for rim width, but the rears could go 285's or 295's on a 10" wide rim with 30 profile tyres.

I had both front and rear guards rolled before fitting the wheels.

<{POST_SNAPBACK}>

:laughing: please

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  • T.P.I.S.
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  • Member For: 20y 3m 7d
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Much care is required if you want a 10” rim.

Yes 10" on the rear will fit, as I have just fitted 10”…BUT

1. you need to be extremely careful to get the right offset

2. I had to roll my guards (not such a problem)

3. the major consideration is tyre selection. The Pirelli Corsa tyres that I’ve recently chosen and are now fitted are a genuine 285, and very fat. These were actually too wide for the previous 9.5” rim, and given the offset of the 9.5” previous rims there’s no way they would go on the car. The fact that I chose a 35 profile to bring the gearing back 5% made it sit higher and caused me (actually Simon at Nizpro) fitment challenges.

4. I need around 2 degrees negative camber also on the rear

5. I also had the added precaution of adjustable height suspension

6. you’ll find that many 275 tyres, if that’s what you go with, may not be wide enough on a 10” rim. For example, the Falken 451 275 tyres that I previously used I didn’t consider to be a genuine 275, and there’s no way I’d put them on a 10” rim. The Falken 451 275 tyres that I had previously were more like a genuine 245-255 when you look at the actual tread contact on the road.

I doubt very much that you’d fit a genuine 295 tyre on the rear. Perhaps something that is 295, yet not really genuine width…. But there is limited choice.

285 on 10” rim is probably the best option if you go with a 10” rim.

I did not want to have the guards pumped, which would spoil the look at the rear.

It depends what you’re after and how much you want to spend.

The best setup, with fewer dramas, is probably a 9.5” rear with something like a Michelin PS2, for excellent grip, and the conventional 275/30 profile to retain close to the original factory gearing (I.e close to original factory tyre diameter)

I needed extreme grip, but it was an extremely expensive solution… tyres alone $900 each!

Given the above, I can see why a 9.5” rim is the common and recommended solution, and the practical choice for most 275 tyres. You can go for much cheaper tyres, as I previously had, and as most people have.

To go wider than 10” is possible, but more modifications are required to the rear suspension.

I hope his helps.

Brian

Brian

If you dont mind could you please share the diamensions of your rear rims for me. (Offset, dish, etc)

Regards

Adrian

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  • T.P.I.S.
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At present in WA the maximum width rims you can put on a "T" is 8.0" I.e as per standard.

Just thought I'd mention it as illegal = uninsured :spoton:

I think it is quite easy to obtain permits these days but I will check it out.

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At present in WA the maximum width rims you can put on a "T" is 8.0" I.e as per standard.

Just thought I'd mention it as illegal = uninsured :blink:

<{POST_SNAPBACK}>

I think it is quite easy to obtain permits these days but I will check it out.

<{POST_SNAPBACK}>

Please do and let us know the outcome :blink:

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  • Team Velocity
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  • Member For: 20y 5m 10d
  • Gender: Male
  • Location: Margs WA
At present in WA the maximum width rims you can put on a "T" is 8.0" I.e as per standard.

Just thought I'd mention it as illegal = uninsured :blink:

<{POST_SNAPBACK}>

I think it is quite easy to obtain permits these days but I will check it out.

<{POST_SNAPBACK}>

Please do and let us know the outcome :blink:

<{POST_SNAPBACK}>

I hope this is true...keep us informed................

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