In Reply to: Mark III Rear Brakes posted by Steven Hirschtritt on Mon, May 16 2016 at 09:24 PM CDT:
: Mk III Rear Brake Cylinders: Read that some of these used Spitfire 3/4" cylinders using the old Turner piston with the slot for the shoes. That appeared to be the case but the new Spitfire cup seal is different than the original and has an ID (.438) that's too big for the Turner piston. Brakes are 8" drum, single acting cylinder mounted on side of backing plate. Any help??
I had the spitfire cylinder with piston on my rear brakes. I lost parke power when one shoe slips of the flat brake piston.
I solved the problem as followed (this method to prevent slipping of of the brake shoes you can see in some drawing of the spitfire rear brakes):
Drilling two holes in the brake back plate for the pins Girling part no.: 6MT9 2530998248650
Drilling a hole in at the end of the hand brake lever and secure with a splint. Any questions? I can send pictures.
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