Are the nuts supposed to be different?
 

Check this out, is there something wrong with the following pictures. Are those sprockets supposed to be different? I was looking at Andersons' book and noted they should be the same. Any ideas? Thanks (again)

Adam

http://www.cyberbeach.net/~roseneck/rightcam.jpg
http://www.cyberbeach.net/~roseneck/leftcam.jpg

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atr911@hotmail.com

Adam,

Well, somebody used two different 'vintages' of cams in your engine! The right cam is a post-'80.5 cam and uses a 12 mm bolt to hold the sprocket, and the left one is a pre-'80.5 cam using the 46 mm nut. Does look a little odd, doesn't it?

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Warren Hall
1973 911S Targa