Thanks for your input Ray you may be right about it being built earlier than I thought as Herald front A arms and uprights would have been a better choice for a later build. the engineering and mounting of the A arms and top spring/shock mounts is a bit untidy and may benefit from adapting something closer to the Herald arrangement [for safety's sake] and should fit within the build period what ever that turns out to be. if the mid 60s is the target then early herald type 12 disk brakes and calipers could be an option as they would have been readily available and state of the art at the time. I will have to think hard about this as I am loathe to change too much unless it adds to the overall historic character of the car. I am open to feedback about this and any ideas from members are welcome.
I am already enjoying the planning for the build as most of the work should be within my skill set with a little help from my friends and most of the parts and materials are both available and affordable.