i hear u re the hexes, makes sense mate.

i also am without the pin that sits in the 2 diff cups, havent had a failure so far... im guessing they just help the cups stay in place and generally locate a bit better, rather than twisting about etc.

the spurs i have need to be set in position by a couple of shims behind them, in front of the topshaft bearing. i used glow plug washers, seems to work ok.

bit of advice guys... do not run a 3mm drill bit into ur finger and then allow it to travel about an inch along the length of said finger cos it really hurts and bleeds like buggery! ouch!!!!!!