RE: scratch building shock towers
currently designing nitro rusty shocktowers now, for racing ( ie half decent suspension geometry ) u will nee the rear shocktower to be 10mm wider per side and the whole thing 10mm taller, and the front needs to be just stock height but move the shocks in to about 40 mm apart.this lowers the chassis and lowers downtravel a large amaount, making the truck more similar to a losi or a GT and stopping it spinning out mid corner.
Dann