Does anyone have a photo of their '68 BB (396 325/350) with the AIR pump bracket installed?
I'm specifically interested in the bolt to the water pump. I believe the bracket goes over the 'hexnut' that is part of the bolt itself, ...then a nut over that (then the Neg. battery cable). I'm not 100% sure on this, ...and the AIM is not clear enough to detail it.
Well after looking at my Car and comparing it to the AIM, I think I can see where you are going with this.
1) The AIM pump mounting sheet (V8) eng vaguely shows a hex collared stud for the water pump with the AIR pump mounting bracket on top of the extension and retained with a hex nut. (UPC 6 Sheet A6)
2) The AIM V-8 396 (l35) A.I.R. Equipment sheet illustration does not extend down enough to show the lower water pump mounting details. (UPC L35 Sheet A7)
I am not sure if my car is correct but, My A.I.R. pump BB396/325 mounting bracket is retained to the water pump ear by a single hex head bolt Grade 5 head marking “F”, with a lock washer. Then the battery ground cable lug, Then A.I.R bracket. There does not seem to be any room for the stud mount as indicated in pargh 1 above. Note that the (UPC 6 Sheet A6) looks like a Small Block drawing, So,,,,,
I could shoot you a Dig picture in a day or so.