Flywheels and IMS Bearing

[spinjockey]

I would replace the IMS if you have not already done so. It is a wear component and worth replacing if you are going to replace the clutch. I would not do the single mass flywheel unless you know how to drive with one. Single mass flywheels are unforgiving to shifting errors exposing your engine and transmission to extra strain.

[JillsPorsche]

Originally Posted by spinjockey

I would not do the single mass flywheel unless you know how to drive with one. Single mass flywheels are unforgiving to shifting errors exposing your engine and transmission to extra strain.

Thank you for that insight. My wife, the primary Boxster driver is not the world's greatest manual shift operator so the dual flywheel may be the best in the long run.

As for the IMS bearing...I see that Pelican offers a Renline kit that is about 1/3 the cost of the LN one...any thoughts on that?

[piper6909]

Originally Posted by JillsPorsche

Thank you for that insight. My wife, the primary Boxster driver is not the world's greatest manual shift operator so the dual flywheel may be the best in the long run.

As for the IMS bearing...I see that Pelican offers a Renline kit that is about 1/3 the cost of the LN one...any thoughts on that?

You just opened up a can of worms. Haha

First, have you owned the car since it was new? If not, check your engine's serial number. If it has the letters "AT" in it, the engine has been replaced and it MAY be an M97 engine with a non-serviceable IMSB which would make your IMSB question moot.

Second, I think the Rennline bearing is a fine bearing with a service interval of 30K miles. I believe it's Japanese-made. The LN bearing is a ceramic hybrid, has a warranty of 2 years/24K miles, and the website says the service interval is 6 years/75K miles whichever comes first. The choice is yours, but I opted for the Rennline. Unfortunately (or fortunately), I have an "AT" engine with the oversized bearing.