Not trying to flame you here, but...
As another post put it, your mileage will not differ.
Also as you put it, driving a brick through the air.
A different ignition system is not going to make a significant difference.
Save your money for a water-cooled conversion if you want to make a
difference.

Sean Garrett
1981 Westy (his)
1995 Eurovan Camper (hers)
sean.garrett@asu.edu

> -----Original Message-----
> From: Jeff Strickrott [mailto:jstric01@cs.fiu.edu]
> Sent: Monday, September 23, 2002 5:08 PM
> To: Sean Garrett
> Cc: vanagon@GERRY.VANAGON.COM
> Subject: Re: CA 81-83 air cooled Fuel Injection & Ignition System
>
>
> Not a matter of having to, but wanting to try to get better
> mileage (if possible
> for driving a brick through the air) and to have the car run
> cleaner and
> automatically adjust the air/fuel mixture.
>
> One of the benefits is that I increase the longevity of my
> new stainless steal
> cat. In addition one can use the cat and exhaust from a 1.9
> on a federal system.
> The benefits:
> - O2 sensor port,
> - and all parts available in stainless, so only the heater
> boxes and crossover
> pipe will deteriorate.
>
> Plus I guess I have too much time to think of things to do. :-)
>
> --Jeff
> 82 Westy, South Florida
>
> Sean Garrett wrote:
>
> > You should not have to convert this to be "better" in some respects.
> > My recently rebuilt 81 Fed model gets 18 mpg after a
> complete rebuild and 7k
> > miles on her. I took her in at 6k miles for a tune up. It
> didn't need one (I
> > was told). she is still breaking in but I suspect a well
> maintained (or new)
> > air-cooled fed model engine should only need the ignition
> parts changed at
> > ~6-10 k miles. Why go to this bother to switch it around. I
> think you have
> > to switch around the heat exchanges and the exhaust too.
> Way expensive.
>