>> I would say a manual trans 1.9  Waterboxer Westy will do about 20.5 mpg
tops. <<

That is my exact average during the summer.

>> Your oxygen sensor is working ? <<

The voltage looks good, it's 3 months old.

>> no restricted cat or muffler ?  <<

This seems to be the latest consensus.  I think I will replace the cat next
week.  May as well get that out of the equation since its probably 4-5 years
old and one of the $99 or so ones. I've gotten my money's worth out if it.

Thanks,
Bryan