Insanity-74 wrote:
Most conversions are done when the car is imported. If you have a sat nav then monitor speed against that as they tend to be pretty accurate.
Most cars the speedos over read, ie when the speedo says your doing 70mph your actually doing 60mph...the amount of over reading depends on the car (Nissans Micras are the worst I have come across), it also depends on what wheel size your running A ST205 with 225/40/18 wheel/tyre combo the speedo will only be off by about 1mph..the smaller your wheel/tyee combo the worse the speedo will be out by.
its defo 10mph out all the way round.
iv done over 100 on the clock and it feels pretty quick not 60 lol
i have 18s on i know they cause you to have an inacurate spedo also so the car does less miles cus the wheels am bigger lol