The biggest issue to getting flywheels is a lack for NA supply for the ring gear.
My suggestion - start calling RAM clutches and asking for a flywheel - demand might spur more interest from the aftermarket. Ram currently does not offer one but I have spoken to then earlier this year. Money as in orders talks. I sent them the flywheel design so they have the info to make it.
The I4/5 have a different pilot and flange register - so not an easy mod.
Last edited by efi-diy; 07/01/18 01:18 AM.