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Old 22nd January 2019, 06:00 PM
MikkiJayne MikkiJayne is offline
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Join Date: Jan 2012
Posts: 5,017
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Firstly, re suspension clearance, you have plenty of room for the rim:





There's even more at the back. You'll run in to tyre clearance issues with the rear arch liner before the suspension. You definitely would have contact issues with tyres that sit square on 9.5s though so some stretch is going to be inevitable for this to work.

265 is a sort of in-between size which doesn't match the D2 properly. 35 is too small, 40 is too big. 275 35 19 is actually the correct diameter, but that would be really tight in the arches. I think its been done on the rear, but not sure about the front. Theoretically it would fit...

But, as I said it totally depends on your tyre choice. 275 Goodyears or Pirellis would be very tight, but Contis or Accelera may be just fine.

Here are a few pics to show what I mean. These are all 255/35-R20.

Goodyear Eagle F1 Asym 2, on 9". Rubber on the ground 230mm.



Goodyear on 9" left, Conti Sport Contact 6 on 8.5" right. Rubber on the ground 190mm!! This is a '255' section tyre!



Goodyear left, Vredestein Vortrac Ulti on 8.5" right. Rubber on the ground 200mm.



Vredestein on the left, Conti on the right, both on 8.5"



The Conti would look daft on a 9" rim, but the Vredestein would probably look much the same as the Goodyear. No pic, but I have some Nexen 255 40 19 on 8" rims and they sit the same as the Vredies do on 8.5 so they would be ridiculous on 9s.

Given that your wheels are 1" wider than stock, but 13mm closer to the suspension, that puts the tyre in exactly the same place as stock. Personally I would go for something wide in 255 40 19 - Goodyear, Vredestein, Pirelli, Kumho all sit pretty wide. You'll get a bit more stretch, but not silly.

If you're feeling brave, something narrow like Conti, Michelin, Accelera, Nexen in 275 35 19. Proportional to the 255s, 275 Contis would probably still be narrower than the Goodyears. Acceleras in that width might actually have more grip than a bicycle tyre I wouldn't fancy them in the rain though!
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Last edited by MikkiJayne; 22nd January 2019 at 06:02 PM.
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