Boy from Oz Posted October 3, 2007 Share Posted October 3, 2007 I have a set of Arizona Z brakes on their way. I am trying to obtain a set of 260z front hubs but I'm not real sure how you can differentiate them from the 240z hubs. I know there is a different offset but can somebody tell me what that is and how it's measured or if you can tell the difference just by looking? Thanks. Quote Link to comment Share on other sites More sharing options...
getZ Posted October 3, 2007 Share Posted October 3, 2007 The difference is how far back the center hub sets the rotor back into the car. There is about a 5mm difference in backspacing. I don't think it's obvious at casual glance without measuring it. Quote Link to comment Share on other sites More sharing options...
blueovalz Posted October 3, 2007 Share Posted October 3, 2007 One thing I've found different visually is that the 240Z hubs are scalloped on the hub's outer circumference. In other words, the hub is not round like the later hubs, but instead squared off in the material around the studs by the lack of material between the studs. Quote Link to comment Share on other sites More sharing options...
zcarnut Posted October 3, 2007 Share Posted October 3, 2007 To add to what Terry said, the 260Z/280Z hub was strengthened by removing the scallops and the mounting flange was increased in thickness by 1mm. Quote Link to comment Share on other sites More sharing options...
Boy from Oz Posted October 3, 2007 Author Share Posted October 3, 2007 Excellent - yet another example of a fast and knowledgable response to a member's query. Many thanks. Quote Link to comment Share on other sites More sharing options...
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