preacherman Posted July 4, 2021 Report Share Posted July 4, 2021 I got access to some fiesta 15 steel wheels. If these prove ok I might get the off set changed. What will be the impact on top end and acceleration when going from 13 to 15 on a 3.54 diff ...type 9 5 speed Link to comment Share on other sites More sharing options...
meXEco Posted July 4, 2021 Report Share Posted July 4, 2021 Nothing if you get the tyre size right based on rolling diameters. Link to comment Share on other sites More sharing options...
meXEco Posted July 4, 2021 Report Share Posted July 4, 2021 If you have say 185/60/13's fitted now, and fit 195/45/15's the overall diameter is only 4.3mm different, or 0.77% total so very little. Link to comment Share on other sites More sharing options...
meXEco Posted July 4, 2021 Report Share Posted July 4, 2021 https://www.oponeo.co.uk/tools/tyre-size-calculator Link to comment Share on other sites More sharing options...
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