NOTE: This first post was separated from another thread focused on a different year
The ASM pic is showing the adjustment bracket on the front side of the alternator.
Previous pics show it on the back.
For the record, where.
The question was regarding the bracket, not the direction of the bolt.
The alternator on my 66 289 has a threaded hole for the bolt, so the bolt (with a flat washer, then the adjusting bracket) goes from the front to the back.
Are 67 390 alternators different, not tapped, but with a clearance hole?
Jim