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Re: Mark III Rear Brakes

Posted by Andrew moynagh on Fri, Jul 29 2016 at 04:44 PM CDT:

In Reply to: Re: Mark III Rear Brakes posted by Juddy Doi on Tue, May 17 2016 at 04:20 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??

: :The Mk.III has a BMC rear axle (Sprite) with Riley 1.5 brakes. There are no Triumph Spitfire parts used for the Mk.III REAR brakes.

There were two diameters made of this slave cylinder. The larger one is the one that is usual on most cars but results in locking of the rear brakes on Turners. The correct one is the smaller diameter. This was used almost exclusively on the Turner and also on the Sebring Sprite. Check the Sebring Sprite page, they used the same disc brake and rear dorm brakes as the Turner and have a lot of info on it.

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