Sideways Ford Capri Zakspeed Slot Car. RCSW48 is a model of the Group 5 Ford Capri Zakspeed Turbo. This Wurth backed car was driven to victory at the Nurburgring round of the DRM in 1980 by Klaus Ludwig . The adjustable sidewinder chassis features a separate motor mount fitted with a 20.000 rpm flat 6 motor. Most of the parts are supplied by Slot.it.