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On 19 Jul 2003 at 10:07, BOB2TYPE3S@aol.com wrote: > John J. wrote: > >I have a set of new in the box, Type 3 brake rotors that I would like to use > >on Sophy (66 Squareback). The part number on the box is 311 405 583 A. > >Will these fit Sophy? Did the rotors change anytime from 66 to 73? > > Yes, they did. The first change was the wheelbearing size (outer?) in 68 or > 69, then the rotor diameter changed in 72. From what I can tell these are the > correct rotors for a 66 to 71 type3 without the centering ring. You might have > to look for the correct wheel bearings though. I hope this helps. They changed the INNER bearing in mid 68. This changed its ID only, so the disks themselves didn't change. (The steering knuckle did.) Both early and late rotor have the same OD, but the late rotor is a bit thicker. It's possible that these are early rotors with or without the centering ring. My microfilm doesn't call them out separately so I have only one number for the early disks. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org