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Old 02-29-2016, 10:48 PM   #394 (permalink)
Ryan @ RJM
Enthusiast Member
 
Join Date: Aug 2012
Location: Ontario Canada
Posts: 345
Drives: 09' G37S Coupe
Rep Power: 13
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Quote:
Originally Posted by xdragus View Post
Looking to purchase this but what proof do you have to back up your claims "Reduces or Eliminates the Concentric Slave Cylinder failures that are so common on these cars." on your website.

Would this potentially conflict with the zspeed hd csc or z1 csc elimination kit? can they be combined?
xdragus,
Absolutely they work together no problem. I would personally recommend the HD CSC though as it's a very high quality piece and combined with the RJM pedal it'd be a bullet proof setup. For me the Z1 kit is overly complicated, requires a lot of extra work to install and addresses the same problem the HD CSC does but at a much higher installed cost.

For the proof of the "Reduces or Eliminates the CSC failures" this has been discussed about 4 times in this thread already above but the basics of it is this. The primary cause of OEM CSC failures is over stroking the internal piston and blowing out the weak seals. This happens because the OEM pedal/CMC pushes too much fluid to the CSC which coincidentally also causes the very high pedal engagement and huge dead space at the bottom of the pedal. The RJM pedal thru manipulation of the pedal geometry reduces the excess stroking which isn't needed for complete disengagement. This saves the seals from all the extra wear pointlessly stroking back/forth and because the CSC is no longer being forced to the very end of it's travel every time you fully depress the clutch it reduces or eliminates the seal blow-outs that lead to catastrophic CSC failure. As well with the RJM pedal you'd see longer service life from the HD CSC or the Z1 Kit for the same reason that you're not stroking the seals excessively on every shift and increasing seal life.

Hope that helps explain things.

Best Regards,
Ryan@RJM
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