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anyone used OS giken R3C or R2CD?

Old 10-04-18, 06:47 AM
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anyone used OS giken R3C or R2CD?

im looking to upgrade my clutch (currently ATS&ACROSS Carbonetics Pro-spec carbon) to something that will hold the power but i wont lose the drivability and the smoothness of my current setup but it has to be a light assembly (current flywheel is at 9lb)

I tried David Hayes ATS&ACROSS carbonetics triple carbon and I really liked it way back then but If i can avoid spending 3-4k on a clutch system it will be great


I had the TS2B and the STR2C from OS giken in the past. they were nice but i doubt they will hold now..
Has anyone tried the R2CD or the R3C ? Any feedback?
There's no information online but being OS giken's "Racing" series I am a little skeptical whether any of them 2 will be the right ones
I am leaning more towards the R2CD being a damped version, even though the TS2B and STR2C was undamped
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Old 10-05-18, 01:56 PM
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How much power are you trying to make? I ran a TS2B for a few years and it held 540+whp until the clutch disks got down to 3.1mm. I’m confident that If I just replaced the disks it would have been fine again.
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Old 10-06-18, 09:40 AM
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Originally Posted by Shainiac View Post
How much power are you trying to make? I ran a TS2B for a few years and it held 540+whp until the clutch disks got down to 3.1mm. I’m confident that If I just replaced the disks it would have been fine again.
The dyno readings are inconsistent so i wont even bother with them but the car runs 30psi on efr8374 1.05 ewg.. the clutch i use is rated for 500whp or so and it slips at 26 27 psi..after 6 7 days of abuse
my question is on the drivability. Not on the capability
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