Re: Pre-Unit Case "use or not"
that's the way my bike is and many others I've done before. I've got the exact right size drill bit at the shop I'll measure it for you later, all you do is freeze the sleeves and heat the head up put a little anti-seize on them and press them in, I made up a press tool on the lathe that keeps them straight, I've done about 6-8 heads and never had any problems.
Possibly the finest private collection of Whitworth screwdrivers in the U.S.
Last edited by Tony the torch; 12-31-2011 at 09:06 PM.