- Joined
- Dec 23, 2016
- Messages
- 1,426
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Mr Big best check your speedo against a sat nav as i have 75 profile tyres on my 100 and mine reads slower againts sat nav so if im reading 50 mph on speedo sat nav speed reads about 4 mph slower you will also find going uphill that you will have to put you foot down a bit more to compensate for the larger profile as basically you have gone up a gear