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The mkiv Supra Owners Club

Running 265's on front...


Gamer
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They should fit no problem, I used have them on 7" rims on my MkII - are these for the Lexus ? At least they help stop you from kerbing the alloys, cause the first thing to hit the kerb is the rubber.....

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Taken from a document I had laying around:

 

"The ‘J’ classification was defined in recognition of the fact that the same rim width can happily carry a range of tyre widths. In general, you can fit a tyre whose bead-width (‘BW’ in Fig.-1) is between ½” less and 1½” more than (J). So 7½J means that you can fit a tyre whose bead-width is between 7” and 8½”. The bead width is usually about 1cm less than the tread-width, so a 225 would have a bead-width of 215mm."

 

That means that a 9" wide rim (229mm bead width) takes a nominal 240tyre, but can take down to -0.5" (12.5mm) = 227ish to +1.5" (38.1mm) = 278ish

 

So, I take it back, they should be OK on a 9". :thumbs:

 

Wouldn't fancy it on 7" though (225 max)! :eek:

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Think the main thing id be worried about is the power steering pump failing, its gonna be working a hell of alot more that what it does on the standard width tyre. Just make sure your always moving when you turn the wheel

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