Originally Posted by rs milesy

I have a 2ltr silvertop zetec turbo engine to go in my Series1, I am thinking about not fitting the Stage CTS box I have, and doing the MTX conversion at the same time, but I have just paid out for the flywheel to be surface ground and modified for cosworth management, Can I use the flywheel that's on my ZT engine or does it have to be the Focus RS one ?
Thanks