940 head valve sizes

[olderisbetter]

I have just taken the valve cover off my mini engine and it has a 940 head on, do the other casting numbers around the head mean anything about valve sizes, The block has an engine code 12A2AG01, Rob

[bmcecosse]

It's just an ordinary 1275 engine. So 33 and 29 mm - unless someone has fitted a better head at some point of course.

[olderisbetter]

The engine is out of one of those later coopers but i would be amazed if it had any head mods, thanks.