Ah yes, I've come across the dreaded bearing dust caps with 930's, first on Vu's car, then on RJ's Ruf. Not sure if this will work, but once you get them off, why not replace the caps with the stock 911 ones? If they fit, they're probably pretty cheap and you will need to remove them when adjusting or replacing wheel bearings. Could make things a LOT easier in the future.

Gee...I thought that based on the vintage, Greg's were the floating type. And seeing that he got a deal through Rennlist, I figured that $300 a pair wasn't a good price since Pelican sells the later (81-89) pairs for less than that. Then again, I've also heard of people swapping out for later style rotors due to the replacement cost of the floating style.

Greg...whacha got? Floaters?

Yep. But my eye doctor said not to worry ...

Brake-wise, yes, I now believe I have floaters. The 'new' rotors I bought off Rennlist are from Porsche, but clearly the later style. I guess not so good a deal.

Frankly, I don't understand 'floating' rotors. Gotta be attached to something, yes? :?

Greg:

That's why I posted the floater $ from Vertex. Assuming that was what you needed based on MY of your car. Sorry, you didn't catcha break on having the later rotors.

The good news ... we run the floaters on 2 cars and they last a couple of years doing multiple endurance races each year. Yellow hawk pads (endurance) and LW cars make them last. Never have brake problems (knocking on wood).

Vertex lists part numbers:

93035104700 Left
93035104800 Right

Jase

Most Floating rotors are attached to the hub not by being sandwiched between the hub and the rim rather they attach to a "hat" via a bunch of little bolts that hold "T" shaped wedges. The hat attaches to the hub. Some use the hub as a hat. They float because they can move side to side but are kept from rotating as if they were splined.
This allows the rotor to expand and contract and not to pinch warp as it heats up among other things. They are good stuff but like many things that are desirable or not made in large numbers, expensive.

Richard. How would you remove the standard dust cap after it was installed in a turbo hub? Take a look at the hub in the above photo, it shrouds the cap completely.

I see Cmartin asked already, but if he just want the old rotors for measuring can I have the second rotor, its for the same deal. I'll even return it after a few days if you need it back.
Thanks,
Dave