alloy wheel

Hi all...



I was wondering what the largest tyre i could fit on my alloys are...



the current tyres are 195/55/15



The speedo is reading around 5 mph faster at 70 (actual speed is 65 when 70 is displayed, 65 being what the satnav was saying)



I was hoping fitting a slightly larger tyre would allow the speedo to be a little more accurate and also stop the car revving its knackers off it at 70...



3200 revs at 70 seems a little steep ?



I believe the alloy is 6J ? I was hoping to fot 205/55/15, ive been using tyre claculators on the web to try and work out whats best hooefully someone else could shed some light on the situation



Sorry for being so long winded!



Louis

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