370Z clutch line restriction

Zat_Zuma

I've been working with a vendor on the 350Z forum to provide a solution for the Secondary Clutch Slave (CSC) fitting problems with the pressure plates the vendors are providing for our 370Z's. If you have a close look at the CSC's and how it fits and works on some aftermarket pressure plates, you can see the stock fitment is less than ideal. It has been my experience that the CSC's will eventually fail and cause all sorts of problems. I had my fair share of grieve with my 07 HR and CSC failures.

As part of my research I've taken some pictures of my 370Z clutch line layout and disassembled the clutch line block to discover there is a restriction orifice in the block that may cause hydraulic failure with enough heat and cycles. The clutch line is roughly 7 mm ID and the RO is roughly 3 mm ID.

The other difference between a HR and VHR is that the Master Clutch Cylinder is shorter in the 2009, compared to the 07/08 HR's. Other than that the clutch line layout is identical and so is the CSC.

More info and pictures to follow once I get the new CSC kit and clutch line delivered. I will also be installing a new flywheel and clutch from this vendor as well. If all goes well, I hope that they will become a vendor and offer this package to our members here.

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