Originally Posted by
focusv8
Drift as in on track or on "road".
If it's on track disconnect the speedo whilst drifting, if it's on "road", you won't be doing enough to seriously affect the true reading.
ahh theres a thought! could take it out and use satnav for speedo
not too much on track to be honest, normaly on roads, massive open spaces so probably nothing to worry about!