Disc Brake Conversion
My former Arnolt Bristol was fitted with TR2 disc brakes in 1957 by Ed
Rahal. The servo was the normal Bristol brake servo. I updated to a
dual circuit with a bias adjuster. It would out brake a Jaguar XK 120
or a Morgan +4 with Disc brakes. All of the fittings were off the shelf
Triumph and Bristol pieces except the bias adjuster. A 403 is a heavier
car but for average road use I would think the Triumph brakes would
work. Kevin
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