Yes, That's right, 67's and 68's were different, and in addition, the mounting brackets were different, but not a big deal.

I have some pix of the 67 clocks if you need...

And I have an incomplete 67 clock (just missing part of the electro-magnetic mechanism, and the actual mounting bracket) but has all the rest that I've been piecing together to be able to sell as a complete unit someday... and then I'm just refurbishing another 67 clock for my 67 drop top...

Anyway, if you need or want more info, just let us know, and we'll try to help!

Brett - 67 Drop Top 455!
brett@cisdirect.com
http://firstgenfirebird.org/show/closeup.mv?CarID=129