Yeah his one of the people I've already been in contact with.
Infact his execution is VERY similar to what I have in mind - ie keep it low & make it look relatively "normal".
Oh yeah the other thing I'm contemplating is a 3 speed Stak T/case with the overdrive option - so I can still get to 100km/h under 4000rpm
But the cost means that this will not happen for a while