« Reply #37 on: 25 February 2014, 04:43 »
I'm running 8x18 ET44 alloys on my GTI which gives me roughly 11mm(?) equivalent of a spacer on the Austins.
There's room for a few more millimetres on the rear of my car but I'd say not much more than 3 or 4 mm on the front without danger of catching the arch on speed humps. So I'd say 10 to 12mm max on the fronts on the Austins would be ok.

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‘25 8.5R, ‘23 8R, ‘20 8CS, ‘19 135iX, ‘19 TCR, ‘17 Ed40, ‘17 GTD, ‘15 7R, ‘13 GTI PP, ‘11 GTI, ‘09 GTI, ‘98 Ibiza Cupra, ‘05 GTI, ‘06 Polo GTI, ‘04 GT TDI, ‘05 Fabia vRS, ‘02 GTI T, ‘03 Ibiza TDI 130, ‘01 Leon 180, ‘89 mk2 16v, ‘99 Ibiza TDI, ‘96 VR6, ‘98 Ibiza TDI, ‘92 VR6, ‘88 mk2 8v, ‘92 Polo G40, ‘91 mk2 8v, ‘89 mk2 8v, 205 GTI 1.9, ‘83 mk1 GTI, ‘80 Scirocco GTI, plus some others I’ve forgotten