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Project Silverstreak: Perrin Gauge install!
Project Silverstreak: Perrin Gauge install!
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Project Silverstreak: Perrin Gauge install!
Project Silverstreak: Perrin Gauge install!
Project Silverstreak: Perrin Gauge install!
Project Silverstreak: Perrin Gauge install!
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Old 03-20-17, 06:35 AM   #81
raisingAnarchy
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Default Re: Project Silverstreak: Perrin Gauge install!

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Originally Posted by SubySal View Post
It's splined on the end. That part is still stuck in the CV joint itself.

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Holy shit! Thanks for the info. Besides getting the splined end out, do you have to worry about the CV joint itself?
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Old 03-20-17, 06:57 AM   #82
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Default Re: Project Silverstreak: Perrin Gauge install!

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Originally Posted by raisingAnarchy View Post
Holy shit! Thanks for the info. Besides getting the splined end out, do you have to worry about the CV joint itself?
I just left the broken end in the joint and bought a new half shaft assembly from Subaru. I did save the old one for spare parts.

So according to Driveshaft Shop the CV's are made out of the Japanese equivalent of 4130 chrome moly steel. The axle shaft itself is made out of something a bit weaker. I think Subaru did this on purpose. The outer stub shaft holds the wheel bearings together. Designing the axle to break first allows the car to still be driven. Just lock the center diff and go. I would not drive it on the highway, but I was able to drive it off the course and onto a friend's trailer. If the stub shaft broke the bearings would have been destroyed and the wheel assembly could have came off. It's this thought that kept me from buying the DSS axle shaft upgrade kit. I was concerned about moving the weakest link to the stub shaft.

A friend of mine with a more prepped car has broken a half dozen or so. Always the left rear, always the same place ...the outer spline on the axle shaft. He can change them out in about 5-10 minutes. Unless you launch the car hard enough to break the tires loose it's probably not something an STI owner would have to worry about. As for me I'm going to buy a spare shaft to keep on hand. I'm not sure I'll try and change it at the track though.
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