Finally I had my car dynoed last month. Everything was going ok. Until we cranked the boost up to 20 psi. There is something start slipping at somewhere. The tunner thought the tires were spinning. So he put in 4th and try again. And samething happaned at arround 7k. The tunner verify that wasn't the tires spinning. He told me that the clutch was slipping. I ended up getting a receipt with 309whp@6000rpm. A little bit disappointed.

I have a set of ACT HD2600 street disc clutch with a Fidenza flywheel. It supposes hold pretty well. Anyone can give me some recommendation will be really appreciated.

Thx

 

i ordered an rps 6 puck but since they have dropped the ball for the last 2.5 months, i have an exedy twin on the way now.

 

My boy put down 417whp and 340tq at 22-23psi on the same clutch and the clutch didnt slip once until the last pull