i prefer it being done in years
start at 66/67 and work through the cars
however there is a plethora of Minis Imps anglias escorts in the sub 1300 cc class that will be hard to determine who built a car sold to another and who bought ex Fraser or Broadspeed Gp 2/5 cars and modified them for special saloon club racing
If you try running 1 tread with 5 sub divisons we will have 5
plus 3 lots of
lots of
and it could all get very