10" Wolfrace Slot Mags & disc brakes

A while ago I got my hands on a set of classic, 10" Wolfrace slot mag rims. They're a bit worn and need refurbishing (nothing cracked or bent, but curb-scratched quite a bit). At present I have 12" Minilites on the car and already have the parts for a 10" disc brake conversion, though not yet installed. I've held the parts in place to see how tight a squeeze the 7.5" discs are and while discs and caliper fit, there's very little spare space (especially since I don't know how far the caliper will be away from the disk once bolted up). I may have to put in spacers.

I've also seen 7" discs for sale, but according to Minispares, they were for 997/998cc Cooper models 1961-69 and Wolfrace started in '71.

Does anyone have these rims mounted and got pointers how these fit best?

Posted Mar 28, 2017, 4:55 AM UTC

37
buzzbravado•

I have 10x5 slotmags over 7.0 vented discs and MiniSport Alloy calipers. It is so tight that wheels weights don't fit between them, but once relocated you have about 2 mm gap which has been fine for me.

https://goo.gl/photos/fhWuEFTJdAB8oAr78 hopefully that link works.

1
codereviewOP•

Thanks for the link. Damn, means the chance of them fitting over 7.5" discs may be somewhat slim. Are the calipers specific for the 7" discs?

1
buzzbravado•

I'm now questioning myself cause the calipers look to be for 7.5 discs and MiniSport don't make stuff for 7 inch. The discs are from a metro turbo, that might help narrow it down. Maybe it is 7.5 inch i have. I had Exacton wheels on before and they had more space. Genuine Slotmags have quite a deep well so there is less space.

1
lewj213•

If they are metro turbo brakes they are 8.4 inches unless you have a special set on yours. I believe minisport do a 7.5 vented disk kit

1
codereviewOP•

I remember seeing a set on minispares that are basically milled down 8.4" vented discs with calipers to match. Before I ordered the conversion kit, I asked the folks there if the dual pot calipers and the vented discs would fit, they said not to bother with those unless I intend to race.

1
buzzbravado•

You are right. They are 7.5 for sure. Anyways they have served me well and are definitely better than the cooper s setup I had before. Only issue is early minisport pistons were chrome and corrode. I swapped them for the newer stainless pistons.

1