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TR4/4A Master cylinder bore diameters

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Rut

Rut

Obi Wan
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What are the master cylinder bore diameters for clutch and brake on a 67 TR4a? I've got several Tilton MCs in .75" bore that I would like to use.
Thanks, Rut
 
Geo Hahn

Geo Hahn

Yoda
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On my TR4 the brake m/c is .70", the clutch m/c is .75". I believe TR4As are the same.

The pair of rings on the brake m/c identify it as being .70":

MCs_zpssdubuldp.jpg
 
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Rut

Rut

Obi Wan
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George,
Thank you very much! That's exactly what I'm looking for and I can use one of mine and order a 0.70" for the brake MC.
Rut
 
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