The two different types of vacuum advance control parts (group 2.410 in Tim's catalog link) are shown in the
Chevs of the 40s catalog. I believe that it is also required to use the matching
clamp/arm (group no. 2.414) for the controller. There was thread last summer concerning a
similar problem. If the arm/clamp screw is backed off does the distributor rotate?
The distributor will rotate if the clamp is loosened, but when the clamp is tightened, the distributor will not move.
If the engine really is a a "car" engine, then it would seem that I need the car (angled) bracket. It's starting to look like I have a car engine with a truck vacuum advance paired with a car clamp.
