Quote:
Originally posted by h0ughy
MiG
if you can get to sydney in a 1972 datsun (plate glass), or you can get there in a well for arguement sake lets say a GMH 2005 monaro(BK7), what woud you take. ( no sentimental the datsun would be an experience answers accepted!)
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Since what matters is coefficient of thermal expansion and heat diffusivity, it's more like a comparison between a 1972 Datsun and a 1978 Datsun with a flashy paintjob. BK7 isn't much better for mirrors than plate glass.
So it comes down to the price difference. If they're roughly the same price you take the slightly newer Datsun that looks nice. Otherwise you don't bother.