16 replies to this topic

[mikal]

The vented tappet chest cover might on be upside down. Normally the point upwards towards the carby..

[unburntfuelinthemorning]

If it's the old type without the oil separator, the open end of the pipe points downwards.

 

This diagram should help:  https://www.somerfor...75_coopers.html

 

It's about the Cooper S blocks but does show the different tappet chest covers that were used.