While I was building the Wankel Willys (Specs below) eveyone said it wouldn’t be good for off roading and the 13b has “zero torque” but….with low weight and proper gearing this thing works amazingly at any speed. It weighs 2,100 pounds wet and is geared just right. 126:1 final crawl ratio and overdrive. It will cruise at much higher speeds than a stock Willys (while getting better fuel economy) but also idles up hills & over rocks at 1000 rpm.. after 3 years many trail days and thousands of mile

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