The expression "Versus motor" isn't comfortable in that frame of mind of car motors. It's conceivable that you might be alluding to an alternate motor innovation or utilizing a contraction that isn't generally perceived.
There have been various progressions and advancements in auto motor plan since the beginning of time, like the presentation of the gas powered motor, the improvement of the above valve motor, and the execution of fuel infusion frameworks among others. In any case without more unambiguous data about the "versus motor". It is hard to pinpoint a specific vehicle or motor as the primary creation model to highlight it.