Bellcranks

The 741 rear hub arrived the other day, so I now have to decide whether to go for the chief hub or the 741 one.
I'm tempted to go for the 741 set up as the brake is on the left hand side & it is lighter.

I picked up the bell cranks from Murray Morell yesterday.
After getting them cad plated we noticed that the middle sleeve had 5ml taken off & prob done with a saw as it was not square
Rather than reduce the bush size we milled down the outside to square so we can place a spacer over the bush

Murray convinced me not to use helicoils ..... but to go for thread inserts ? ..... so I left the barrels with him rather than Harris engineering

We also checked the play in the valve guides which seemed ok.
They hadnt been honed ...... You need 5 thou clearance

Murray was worried that the guides weren't hardened so I've written to Moen @ IPE to find out what material was used & whether they have been hardened

Next job is to get the exhaust port fixed, head bolt threads fixed, barrels bored to 50 thou over & valves seated

Didnt make shed this week !