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T?cam Head Service Bulletin.

PostPosted: Wed Oct 29, 2003 9:41 pm
by clemf
I've had a problem with excess oil from the breather pipe being sucked into the engine with the result of lots of smoke. I've heard there was a service bulletin issued in the late sixties that recommended drilling a hole in the head from the top into the breather chamber. Has anyone come across this, have any details or has got the same problem?

Re: T?cam Head Service Bulletin.

PostPosted: Wed Oct 29, 2003 10:36 pm
by types26/36
Clem,
Go to www.gglotus.org then to Tech section, under Twin Cam you will find an article "oil scavenging" this may be what you are looking for.
Regards Brian.

Re: T?cam Head Service Bulletin.

PostPosted: Thu Oct 30, 2003 5:45 pm
by clemf
:huh: Thats the right one but the diagram is so bad you can't make out the dimensions and I don't like the idea of guessing where to drill the hole !