They can be very fast, especially the Jap variants (my spec-c scooby was apparently good for 160mph as standard).

Can't give too much away as I am running a feature on Scoobynet and in mags etc, but I am under going a fair amount of development testing on these to see what is possible for what we call stage 1 or phase 1.

I have already passed the power of Stage 3 cossies though.