Results so far, sorted first by transmission type, then by mpg. As can
be seen, in the automatic transmission category, Rocky Squirrel (me) has
the worst mpg. You will need to set your email to use a fixed-width font
for this to not appear a total mess. Note that some data are missing
from some respondees.

Year    Model   Engine  Trans   Owner   mpg     Comments

88      Westy   n/a     5-speed Todd Last       16.5    205/70 R14 tires
84      Westy   1.9l    auto    Rocky Squirrel  15.5    highway, sea level
85      Westy   1.9l    auto    Thomas LaPointe 17      maximum
84      Vanagon n/a     auto    Mike Collum     19
84      Westy   1.9l    auto    David Etter     21.5    ave. of 2 engines
84      Westy   1.9l    manual  Tom Buese       17      4500ft elevation
84      n/a     1.9l    manual  stuart jeff     20      stock 14'' wheels
85      Westy   n/a     manual  Mike Collum     20.5
n/a     Carat   n/a     manual  Angus Gordon    22      average
84      n/a     1.9l    n/a     Jack R. 15      inferred
83      Westy   n/a     n/a     Wesley Pegden   20      (should be)
83.5    Westy   1.9l    n/a     David Kao       22      average
85      n/a     1.9l    n/a     TC      7-9km/l best results
87      Synchro Westy                   mike    15      inferred

--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR