@pbrtim: Well, the motor better be smaller than the car if they want to fit it in there. If you're talking about if the Hayabusa motor is smaller than a Miata MOTOR - then NA Miatas are 1.6L or 1.8L - Hayabusa is a 1.3L I believe, but while my 1.6L NA redlines at 6500 and develops 118 hp, the 'Busa motor redlines at…