Keith Ovregaard wrote:
> Anyone experience lower mileage after installing a new 87 degree
> (stock) thermostat?

My gas mileage improved after replacing a failed open thermostat.  I
used the 87� version.  I had my old 1.9 engine in the '85 Westy at that
time and I went from about 17 mpg to about 20 mpg at 60 mph.

Now I have a 2.1 in it (with an '87� thermostat) and I'm getting just
over 22 mpg at 60 mph.

Mike