I believe the digifant an improvement over the digijet with the elimination
of the mechanical advance, funky idle valve(and associated yards of vacuum
hoses) and idle module. I also think the cooling system is improved with the
elimination of the metal pipes and the simplification(some what) of the
plumbing in the engine bay. At least I have a lot less trouble filling the
system in my 86 than the 85.
As a lifelong VW bus owner I can not say that performance is really an issue
with me.
Ken Lewis
http://neksiwel.20m.com/

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>I have owned three Vanagons - one 1985 GL, and two 1988 GL's (one of
> which doesn't count - it is a restoration project.) and in the long
> haul, consider the '85 GL to have been superior to the '88 GL in over
> all performance. I just wonder about how other list members feel about