Hi John,

 > As for the tach - been dead for a a good spell. Pretty sure it's a
 > wiring fault somewhere. I'll get to it eventually. That could even be
 > tomorrow. Can't seem to find a tach anywhere in this city that isn't
 > over $100. That's crazy for a simple tachometer.

I have a 4 stroke Tiny Tach (http://www.tinytach.com/) that I used to
use on my motorcycle.  It's one of the older ones, but they're easy to
use.  I think I paid ~$50 for it.  The only problem is that they don't
update that fast.

toodle pip,
--
        Dug Smith         | Terry Pratchett: It's almost
(mailto:dug@dugbert.com) | impossible to ride a rock and roll
(http://www.dugbert.com) | motorbike and stay on for three verses.