i've heard of people stating differeng bore clearance tolerances for wiseco mate, do some research before you lash out on one...that would be enough to put me off.
mervin may be familiar with what I'm saying here
i got mine made in stainless steel at manchester xtreme, in fact just over a year ago spokes and re-build for both wheels cost me £120
http://www.manchesterxtreme.co.uk/clothing.html
sometimes you can get away with a gentle tap to the float bowl to re-seat the valve, try this to see if you are lucky it sometomes works, dont hit it with anything metallic or you will mark/damage it!
for years i have used one of these on mine, i like them more because the cable just plugs on instead of being a fixed 'potted' cable so if the cable breaks It's not a big deal...DT50 i believe
Aye me too, i'll keep an eye out for the scoundrel, funny thing is...i'm sure i saw him looking in through my living room window the other night, but when i went outside he had gone