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The mkiv Supra Owners Club

Tyre Pressures


Steve Gee
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I've recently upgraded from the standard 16"s, to a set of 18"s with 235/40's on the front and 255/35's on the rear.

Any suggestions as to what the tyre pressures should be? It feels a little skittish, especially on a light fuel load.

My local tyre supplier and I played around a bit, going round the block with different pressures and the best set-up found was 32 in the front and 36 in the rear.

Any comments welcomed.

Steve

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Whatever works Steve !

 

The 18" WILL feel quite different to 16" and it does not surprise me that it feels a bit skittish by comparison.

They're lower profile, and the sidewalls will be stiffer so effectively you've got less suspension compliance and that means it will feel quite a bit harder due to the lower profile tyres absorbing much less of road bumps etc.  I think you'll get used to it.    Tyre pressures are a fairly personal thing, but it sounds like you're in the right ball-park.

cheers

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Now that *is* amazing. Because when I did an 18" wheel swap I played around with various settings and 32 front 36 rear seemed about the best for me too.

 

Yours,

J

 

 

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