Log in or Sign up. Initial production of the first design started prior to another round of EPA regulations. This was one of the aforementioned engines that had been completely built by Ford for street car use. It could reach speeds of over 40 mph on a small hydroplane with a lightweight driver. These are 2 stroke motors and they thought no back pressure was good. Unlike the Evinrudes, this serious racer used Magneto ignition and a heavy flywheel. Thursday, September 14, Due to a high attrition rate, there are few TRs remaining today. Because of their longevity and the efforts of after-market parts suppliers, they were used for many years after the war. Forthey introduced the VR which was a twin barrel-carb version of the same basic motor to achieve the desired performance improvement. Pretty cool, but still, pretty far out there. For a lubricant racers added castor oil to a mix of methanol wood alcoholbenzene which created the signature trail of smoke associated with Elto engines. Coolant flow was induced by prop wash into a pick-up on the underside of the cavitation plate. The powerhead bearings were unchanged from the service version sleeve type throughout. Twitter Instagram.