Gearing question

[jimny82]

Hi Mick, Thanks for the info. I'm currently running a standard internal ratio of 2.58.1. I don't think my gearing is in the right area at the moment for my 8.5T motor, as my top speed seem far too low.

When you refer to the ''overall ratio'' to be 9.3 & 7.8, is this what some call the final drive ratio?

So if that overall 9.3 is for a 7.5t & 7.8 is for a 10.5t (im assuming this is approximate and not exact), how can I find out what will be best for a 8.5t motor? Am I judging this purely on how the electronics handle things, i.e don't get too hot? Overall/final drive ratio of 8.5 would be somewhere in the middle of the above, and then I could just play around with a pinion one or two teeth either way to see what works best(?).

Or I may have completely misunderstood this lol