They suffered from not being bushed at the axles, especially the rear; where they wallowed out the axle bores quickly. I never considered them a true ISO, as both halves rode on the axle; rather than using the OD of the rear bushing as the fulcrum.
A bit rich for my blood, you can buy all the bits and build half a dozen. I lost my mind, and built a tubular one a ways back from and old cradle and an RC motor.
A forum community dedicated to slot car owners and enthusiasts. Come join the discussion about collections, racing, displays, models, track layouts, styles, reviews, accessories, classifieds, and more!