Here's a thought.
Anyone tried fitting an Ansmann Mad Rat/Macnum gearbox internals
into a Cobra gearbox shell?
It all looks virtually indentical to an RC10/Losi 'box,but all the bearings and
shafts are metric instead of imperial plus the parts are much cheaper than
Associated/Losi bits.
http://www.ebay.co.uk/itm/ANSMANN-MA...item48412cbd6f
http://www.ebay.co.uk/itm/ANSMANN-MA...item5d2e30d518
Mark