Originally Posted by
RObErT_RaTh
I'm using 4x ebay blue alum. shoes with 4x 0.9mm springs. Plenty of punch, spend more time spinning the tyres than getting traction sometimes so if you're engine is strong maybe just go with some stiffer springs?
Just a little FYI, your Clutching is a little backwards. A powerful motor would require a Soft Clutch set-up as oppose to a motor that lacks some, Which would require a Higher clutch stall to get some performance out of it.
Big Motor and Stiff spring's = No more clutch.