| My  1957 TR3 has TR6 calipers on it. I don't know if the rotors have 
been changed as well, but it's possible.
Paul Dorsey wrote:
>I was under the impression that a brake caliper from a TR4 would fit a TR3.
>It won't.  At least, I think it won't fit!  (I didn't try to actually mount
>it)
>    You see, I would like to get a smaller caliper on my 60 TR3 because I
>bought a different size wheel for my car, and although nothing seems to hit
>anything, it comes close to rubbing.  I've heard of grinding down the original
>caliper slightly, but that would only be done as a very last resort.
>
>It seems the TR4 calipers come withing a 1/4" of reaching the mounting holes
>on the TR3.   Has anyone else had my problem?
>Thanks,
>  
>
-- 
George Richardson
1957 Triumph TR3 - TS15559L http://www.key-men.com/triumph
1975 Triumph TR6 - Undergoing restoration    
1972 Triumph Stag - Daily Driver
Key Men: Keys for Classics - http://www.key-men.com
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