I run Mid Grade Gas in my 84 =
Westfalia. Runs
horrible on reg. and lousy mileage, On high test it makes no differance =
than the
mid grade for the Van, No hard facts, but I have put 100,000 miles on my =
Westy
in the last 4.5 years and it works for me.
Eric P. 1984 Westfalia (Green
Hornet)