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Ian21401 · Jul 17th, 2020, 20:38

Not a Volvo question but throwing this out to the amassed knowledge of this forum.
My son has recently acquired a Vauxhall Insignia VX-Line fitted with 19” wheels and 235/35 VR 19 tyres which will soon require replacement. We wish to fit a higher profile tyre, possibly 235/55. We do not yet know whether the increased size will foul on anything, but, my research indicates that the increased rolling circumference of the 235/55 will seriously affect the speedo. reading causing to read about 15% slow, which is obviously illegal.
Does anyone know whether it is possible to have a speedo. recalibrated to take account of the different tyre size?

Jul 17th, 2020, 20:38	#33
Ian21401 Premier Member Last Online: Feb 11th, 2023 20:32 Join Date: May 2010 Location: Blyth, Northumberland	To return to actual calibration. Not a Volvo question but throwing this out to the amassed knowledge of this forum. My son has recently acquired a Vauxhall Insignia VX-Line fitted with 19” wheels and 235/35 VR 19 tyres which will soon require replacement. We wish to fit a higher profile tyre, possibly 235/55. We do not yet know whether the increased size will foul on anything, but, my research indicates that the increased rolling circumference of the 235/55 will seriously affect the speedo. reading causing to read about 15% slow, which is obviously illegal. Does anyone know whether it is possible to have a speedo. recalibrated to take account of the different tyre size? __________________ Ian. Since 2005: 1992 Volvo 940 estate 2.0L. Manual. Daily driver and workhorse.