Darrell,

I considered using all the newer equipment as well, but after reviewing the
matter I determined that it was best to stick with the Digijet, which I
believe is a good system.  Now if the Digifant had the knock sensor, I'd
probably choose to make the effort to migrate to the newer system.  Think
about what is involved, relocated computer, new connectors for the sensors,
new wiring harness for the engine compartment.  Gets to be a pretty big job
and expensive too.  The Digijet system works great.

Now the cooling system is a matter of your choice if you have a donor van
with all the parts available.  In my case, my existing hoses were in good
shape with some having been replaced in the last few years.  Also, from the
looks of the cooling system, I believe you must use the 2.1 exhaust  system
in order for the cooling bits around the water pump to fit properly.  You
will also need to use the 2.1 engine cradle as well if you use the 2.1
exhaust system.  My 1.9 exhaust system was nearly new, so the choice was
obvious for me.

The best option in my mind, if all the parts are available and in equally
good condition, would be to use the 2.1 cooling system and exhaust system,
but use the Digijet electronics.  The only necessary alteration you would
need to do is to add a single-wire oxygen sensor to the exhaust system.

Bill

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
Of Darrell Boehler
Sent: Wednesday, February 24, 1999 3:39 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Upgrading 1.9 to 2.1

---------------------
Hi Bill,
    I have plans for such a swap on my new 85 truck. At this point I plan a
complete swap, hoses, engine, electronics.  I plan to do a complete rebuild
on a 2.1L with dynamic balancing and possibly counter balancing. Any advise
good or bad is appreciated. Any one interested in a complete 85 engine,
electronics, exhaust along with a 2nd complete spare back up set of engine
electronics get in touch. I need to do a rebuild on the 2.1L and will then
swap the engine. The 85 engine is running just fine no leaks  and has
recently made a 800 and 2 130 mile trips.

Darrell Boehler
Makanda Illinois