matt33

How much life left in these?

Thanks
Matty

mark kibort

I dont see anything..............................wrong with them..

Gary R.

They seem to be gone..

MyNameIdeasWereT

Do they look like this?



Unless this post is a joke, just break out the calipers (measurement calipers) and measure the thickness.

If you're close to what Porsche states is the minimum for your model, then replace them.
If you're tracking and you're questioning if they're too worn, then replace them.

mbean

I don't know, maybe they can be buffed out a little bit....

matt33

Posted from my phone.. not sure why the photo didn't upload. Have added it now.. let me know your thoughts on track life remaining.

Thanks
Matty

adi_d

Matty,

I would say a ton of life left still. Mine look like that around 15 track days and last a total of 25. Issues would be if any of the cracks reach the edge or those slots disappear depth wise. Also, make sure you check the inside face of the rotor, as wear can be uneven.

TXE36

Like Mark, I don't see anything wrong with them either.

-Mike

RichFL

They look like Girodisc. Somewhere on them is the minimum thickness or its on their website. Take a pair of calipers and measure the thickness of 2 quarters. Place the quarters in the middle of the rotors and take a measurement. This avoids a false reading due to the lack of wear on the edge of the rotor. Subtract the thickness of the quarters and compare the result to the minimum thickness. They look okay based upon the depth of the groves but it never hurts to check.

mark kibort

the rotors look fine. you dont get into "minimum" issues, unless there is a Major LIP at the edges. pads that run over the edges will eliminate any chance of a lip, so you can use the annulus area. usually , the porsche rotors are 32mm thick and have a min thickness of 30mm for safe operation. IF these rotors were below mins, the vent grooves wold be gone.... Also, these rotors will most always crack out than wear if used for racing.

MikeGirodisc

Just thought I would drop in here and mention that the discard thickness is 2mm less than nominal so we actually machine the slots on our rotors at a depth of 1mm on each side so once the slots have completely worn away you know that you've reached the minimum thickness. These are still well above that and the heat checking on the face is minimal, needless to say these still have plenty of life left. Enjoy!

matt33