How much power will the stock internals hold?

Greedy

I have a G37 TT that I run right about 500rwhp, 450rwtq and it smoked the stock clutch in about 3000 miles. I am installing an OS Giken twin plate and zspeed heavy duty CSC now and should be up and running by Saturday and should hold the power just fine.

JB-370z

Thats crazy cause my stock clutch is lasting well. You must be doing burn outs and super hard driving.
Edit: Let us know how you like the Zspeed CSC. Do you think it is going to hold up?

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GTM Stage 2 Twin Turboed 370z (First in Texas, Thanks To Baker Tuning)

Greedy

I did put the car through it's paces, but don't beat on it by any means. It would even slip in 5th gear on the freeway if I floored it. Don't know if it matters much, but the G is quite a bit heavier as well and would strain it that much more. Regardless, the clutch was going to have to be replaced, and for the short time that I drove it, the Giken was a great alternative to stock that should last and hold.

The CSC looks beefy and should hold. It all depends on the tolerances inside of it though which you can't see. Time will tell.....