Jim Clark and (alfa content) what's that little rocker switch?

["andres yver" <ayver@domain.elided>]

this is possibly apocryphal, but someone once told the story (maybe on the 
bmw list) about how a tire company was doing tests at a track back in the 
middle 60's, measuring wear and the like, and trying out subtle variations 
in pressure and compounds, when they realized that one of the test pilots, 
Jim Clark, consistently wore his tires EVENLY throughout the tests.
Same wear on all four.
Is anyone able to corroborate?

here's the question: under the steering column of our 74 gtv is a little 
rocker switch, attached to the plastic cowling.
2 red wires lead from it. I think i remember seeing one on a friend's 71 gtv 
1750, back in DC in '78. He had bought it from a bodyshop for $4000 (a lot 
for a high school kid in those days), and it turned out later to have been 
stolen from someone further north on the east coast.
Anyway, enough rambling: What does the switch do? Cold start for the Spica?
andres (befuddled in Santa Fe) yver

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