I have the RPS MAX 6 puck clutch in my Z with the rps flywheel.. ss clutch line and chomemoly clutch poviot ball.. and it is awsome for daily driving.. Have u ever drivin a 6 puck car? the RPS max 6 puck has a Sprung hub which makes it ez to drive..
Id say keep the twin disk.. if he dosent want it damn ill trade u my rps 6 puck for it lol -George