My MGB Experience

Job done with the fitted angle block as its crowning glory.  To avoid doing this job at all, an alternative would be to buy an MGA, no window glass and its accompanying seals to deal with, otherwise, read on.   See related post==> MGB GT Teal Blue Refurbish Project Car Pt 1  Door and window rubber on the GT were in a sorry state, hard and brittle. Time to be replaced, and If that rubber is shot, then so too will the channel rubber that the door glass slides up and down in. Order it at the same time, or if you don't for whatever reason, (I thought mine were ok till I got a closer look), I got them from a local supplier, it is a very common type and is called "Bailey Channel", there are 4 sizes, the MGB is the second smallest. It's available in Australia from good old Clark Rubber, who stock over 100 different car rubbers and seals, otherwise another rubber and seal supplier, or wait another week for an order to arrive from the UK. And do order the gasket between the