Apologies for cross-posting, but this sheet I found from the old British Leyland US Competition Department seems to relate to the A-series engine in MG, AH Sprite, & Mini. It has some cam info, overheating advice, etc.
It's at
https://www.sendspace.com/file/kus66y
if you're interested, collecting, or whatever.
It's at
https://www.sendspace.com/file/kus66y
if you're interested, collecting, or whatever.