Depends how keen you are, the 90 should be all the same setup (turbo & inlet) as the 306
get 307 engine block. strip the aux setup, and the DMF (if it has one)
Remove 306 engine, build 307 lump up with loom etc etc.
Refit with good gearbox
boom...job done.
get 307 engine block. strip the aux setup, and the DMF (if it has one)
Remove 306 engine, build 307 lump up with loom etc etc.
Refit with good gearbox
boom...job done.