the 2.2L flywheel is lighter than the 2.5L fw. yes to your question

 

no, you cannot attach 1 flywheel to another flywheel, regardless of application.

 

Ha elislider... Anyways what i MEANT to say is will an ej22 clutch and pressure plate bolt onto an ej25 flywheel... I know an ej22 clutch/pressure plate won't bolt to an ej18 flywheel... But i heard the ej22 and ej25 flywheels were basically the same...