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Exedy Heavy Duty Cutch

buzzboy
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buzzboy Enthusiast

buzzboy

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Hi guys

I have am EXEDY heavy duty Clutch NSK-7056HD in my r33 gtst - just the HD not a button or Cushion. Just wanted to know how much power I can run with out any slip . Also would adding a stronger pressure plate help hold more power and if so what change would I see in the clutch pedal and engagement . My power goal is 230rkw

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https://www.sau.com.au/forums/topic/356147-exedy-heavy-duty-cutch/
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kudos.motorsports Grand Master

kudos.motorsports

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The official rating for the Exedy NSK-7056HD is 320hp (~240kw) at the flywheel therefore with 230rwkw you'll be really testing it. You can run these with a higher clamp pressure plate to slightly raise this figure however the drive plate really isn't designed for it. In my opinion you would be better swapping to a more suitable kit, such as the R32 listed sports organic, Exedy NSK-7121SO, which is rated to 380hp (280kw).

buzzboy Enthusiast

buzzboy

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I got 240rwkw running through one no worries. :thumbsup:

So far so good, dunno how long its going to last but i will cross that bridge when i get to it..

How long have you been running it at 240? Do you give the clutch a hard time?what's type of setup do you have?

simpletool Mentor

simpletool

Posted
Posted (edited)

The official rating for the Exedy NSK-7056HD is 320hp (~240kw) at the flywheel therefore with 230rwkw you'll be really testing it. You can run these with a higher clamp pressure plate to slightly raise this figure however the drive plate really isn't designed for it. In my opinion you would be better swapping to a more suitable kit, such as the R32 listed sports organic, Exedy NSK-7121SO, which is rated to 380hp (280kw).

+1

I'd go for one of these Jap made items also (and am on my 2nd one) with 230rwkw and more importantly 520Nm ! Stronger clamp rating and importantly stronger drive plate and springs.

Edited by simpletool

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