Does anyone know if the MX5 NB 1800 engine has a "Sigma" gear box fitting bolt pattern (same as Duratec and Ecoboost)
There is an MX5 NB gear box from 2000 for sale not too far from where I live.
As I plan to upgrade my Roadster with an 1.6L 4 cylinder Ecoboost engine, if the gearbox is a direct fit, it might make things easier.
Also, how many HP can this gearbox take? According to the version, 1.6L Ecoboost can go up to 180HP.