Have you considered transposing the speedometer and tachometer? The speedo readings will be visible up to about 60mph, the range that will stop you getting a ticket. The tacho ones will be visible all the way round but to be honest with that engine on the front you have a pretty good idea what it's doing just by the noise and vibrations, the tacho is just for confirmation. If you calibrate the speedo then it will be worth looking at that as well, rather than being 6-8% optimistic. Is your oil gauge in the middle for pressure and temperature, like the SPA one?
