GReddy Twin Turbo 2011 Nismo installed and tuned @ Motion Lab

Motion Lab · 01-26-2013, 03:47 PM

No a 500mi break-in period was observed with the fresh ACT clutch. If it was a puck style clutch with ceramic/metallic pads you do not have any break-in to worry about. If you have a organic disc, you must break the clutch in to have a good lifespan as well as hold the advertised power. This clutch kit when ordered had a rating of 435hp on the website. They seemed to have downgraded it since we originally purchased to 385hp. The OS Giken clutch should be able to handle about 700hp so that will be the next step to ensure we aren't having to do this very often, haha. We want to avoid a single disc puck style clutch to ensure best drive-ability as this is an almost exclusively street driven vehicle. Using a twin disc clutch helps hold more power while keeping a more OEM like engagement.

Of course its hard to rate a clutch in HP, as that's just a measurement of work over time. The torque is what makes it slip. Just like its hard to put a HP rating on a set of rods because torque is what will ultimately bend or break it.

Thanks,
Alex Goodwin
AlexG@motionlabtuning.com

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01-26-2013, 03:47 PM	#8 (permalink)
Motion Lab A True Z Fanatic Join Date: Jul 2012 Location: Charlotte, NC Posts: 2,676 Drives: Nissan 370Z Rep Power: 20	No a 500mi break-in period was observed with the fresh ACT clutch. If it was a puck style clutch with ceramic/metallic pads you do not have any break-in to worry about. If you have a organic disc, you must break the clutch in to have a good lifespan as well as hold the advertised power. This clutch kit when ordered had a rating of 435hp on the website. They seemed to have downgraded it since we originally purchased to 385hp. The OS Giken clutch should be able to handle about 700hp so that will be the next step to ensure we aren't having to do this very often, haha. We want to avoid a single disc puck style clutch to ensure best drive-ability as this is an almost exclusively street driven vehicle. Using a twin disc clutch helps hold more power while keeping a more OEM like engagement. Of course its hard to rate a clutch in HP, as that's just a measurement of work over time. The torque is what makes it slip. Just like its hard to put a HP rating on a set of rods because torque is what will ultimately bend or break it. Thanks, Alex Goodwin AlexG@motionlabtuning.com