Well if the engine is a 2.3 4cyl for the 6 will the engine race kit fit in the 3? Theres a million dollar question. Also, if they thought the 6 would be a better platform than the 3, why? It may point out weak areas for us 3 owners to beef up over the next while.Yes, we plan to continue offering a pre-developed engine package that competitors can use if they choose to race a Mazda6.