One slight plus for airboxer drivers -- we get a little extra engine braking
from the cooling fan as the engine winds up.  I seem to recall it saps about
14 HP at high RPM (but my memory is none too good; someone out there must
know the correct figure).
Of course, it's also doing this when you're trying to go UP hills... :-)
--Rusty
  Ogden UT
  '80 Westy "TCFKA Vanagon Valdiz"

In a message dated 11/5/02 8:25:52 PM Mountain Standard Time,
BenTbtstr8@AOL.COM writes:
<whole lotta snippage goin' on>
> So unless you are going to be driving down long mountain passes in a heavily
>  laden Westy, the stock arrangement in good condition is more than adequate
>  for most people. IMHO of course.
>