Looking at my rear brake drums, I'm not sure there's enough room for AC brakes. You can see the spokes may be far enough toward the inside to cause accessory brakes not to fit.
Opinions? I need to know before purchasing a set, only to find they won't fit. Thanks.
You need new brake drums. Those are too rusted and pitted. They will destroy external brakes.
Jack - Thanks for that, I expect to get new drums. However, I also need to be sure a brake set would fit with the Simplex wire wheels that I have on it, with new drums. No way I plan to replace those, so that's the big question.
At first glance, it does look like the spokes will hit the anchor bolt area at the back of the brake assembly. Is anyone running AC brakes with wire wheels? What if anything did you have to do for clearance?
AC's seem to fit most wires, but hard to tell from your photo if there is room above the drum surface. Your style wires seem to have big overhang toward the drum surface, so AC might not fit.
Newer repro AC brake fit.
AC clear this style wire wheel
I thank you for this thread. The Rocky mountain brakes I bought will not go on my 25 roadster because the Hayes wire wheels have an integral brake drum, so I was looking at AC's too.
Dave, all is not lost. If you can locate/have made a pair of wider drums, you should be able to space the mountings inboard to allow the shoes to clear your spokes. Drums from an English Hillman Avenger would do the trick, but I guess they will be thin on the ground over there!
Hope this helps.
Allan from down under.
I don't know how the Simplex wheels mount, but I had to make a spacer for my stock wire wheels. I have Ford T wires on a small drum rear end with AC brakes. I just added 1 inch spacers for the hubs.