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Thread: Clutch Master Cylinder

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  1. #1
    Luke Skywalker KVH's Avatar
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    Clutch Master Cylinder

    I thought I was wise to buy two extra rebuilding kits for my clutch master cylinder in my TR 4A. I now see from the Moss manual a statement that no rebuilding kits will work in the aftermarket new master cylinder.

    I already put the seals on and installed them. They seem extremely tight, in fact, too tight. Im fairly certain my master cylinder is a new aftermarket one, as it appears quite new. Im not the original owner of the car. No surprise.

    Can this be correct? The kits I have really are no good? Theres some reason that they actually make the seals a different size now in the new master cylinder?

    I guess Ill just order an entirely new master cylinder which wouldve been a better use of my money in the first place.

    Any thoughts?
    Last edited by KVH; 04-22-2018 at 12:18 AM. Reason: Error

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    Yoda martx-5's Avatar
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    Re: Clutch Master Cylinder

    Look on the sides of the master and see if it has a size embossed on it. I don't know if the TR4 type integral remote masters came in different sizes, but the TR3, remote reservoir type does. They are available in 0.75" and 0.7", among other sizes. That could explain the tight fit. Who knows, maybe they are some sort of metric size.

    Edit: BTW, the Girlings with integral remotes are available in different sizes from places like Pegasus. They also carry the rebuild kits for all of them. They also mention that some of the "clones" can't be rebuilt. It wouldn't surprise me if that were true..

    If your not into original, Wilwood also has them available for a lot less that the Girlings from Pegasus.

    http://www.wilwood.com/MasterCylinde...ter%20Cylinder

    https://www.pegasusautoracing.com/pr...EaAlckEALw_wcB
    Art
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    Yoda Geo Hahn's Avatar
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    Re: Clutch Master Cylinder

    Nevermind
    Last edited by Geo Hahn; 04-22-2018 at 10:21 AM. Reason: Bad memory I guess

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    Re: Clutch Master Cylinder

    Give the Roadster Factory a call. They have rebuild kits for the clutch MC they sell. Maybe they can identify what type you have.

    Jim

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