Quote:
Originally Posted by alantf
Things can sometimes be deceptive. One of the trips I sometimes do is around 30 miles on the autopista to Santa Cruz. I can always come back at 10mph faster than going. I think it's something to do with the wind direction.
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Or maybe one end of your island is sinking !!
Actually wind direction will make a difference. The GZ does take notice of a headwind or tailwind. Lynda was quite happy to see fields of wind generators on the prairies until I pointed out that we would be lucky if we didn't hit a constant headwind to slow us down. She used 4th gear a lot to maintain 50 mph.