F15 on 2Lit GSI

[supafly1]

im dropping a 2lit gsi into my astra 160i. it has a f15 garebox but want to keep the same box, how can i modify the 2lit flywheel to take the 1.6 clutch kit, Cant put the 2lit clutch kit because the F15 bell housing is to small,

Thanks a mill.