[Graham]

What's the difference between Standard or upgraded Class A and Modified Class A please?

I have a RWD Scalextric Mini that's been 'Pendlised' - Pendle alloys and tyres, their 20k can motor, Slot.it? crown and an unknown guide.

It's no race winner - but it's fun   

I have a similar Revell NSU TT as well, so two 'different' cars for two different classes.

I may be able to rustle up a car for each of the other classes too.

Basically Class A cars are Scalextric, SCX, Revell, Ninco, Carrera (home set) cars, I will allow “upgrades” to be made ( ie replacement of like for like parts using slot it components etc) wheels, axles, gears. But no fundamental changes to the body, chassis or interior.
Class B means you can make fundamental changes, like using 3d or other chassis, lightweight interiors, different spec motor etc.

So your Pendle modified Scalextric bodied Mini, would be a Class B car