You probably wouldn't like a Tiico I4 conversion Don.
lol.
What you describe in the 1st half of your post sounds a lot like what I
read on that groupall the time.
I'm working on mine again some ....if that system gives me any trouble
at all  ( it's an early version ..
I think there are 3 different ecu's ..and the lastest one is not
inexpessive) .....I'm sure I can run it nicely on good ole Digifant.

On 2/15/2013 6:52 AM, Don Hanson wrote:
> I'd be wary of swapping to a supposed "better" engine management unless
> there's something really un-fixable with your Digi-whatever, or perhaps you
> might just want to, for some reasons of your own.
> At first glance, it looks like a straight forward task....Read
> instructions, do meticulous  careful work, and it should be good, no?
> This, regrettably, doesn't often seem to be the case...There are many
> systems, and they all seem to have plenty of "issues".  Issues that result
> in "no run" .  Then, in order to diagnose why the thing ain't working,
> you'll often find two or three other "glitches" as you (or the
> brand-specific  Consultant you are finally forced to hire to fix it with
> you) work your way through your new improved EMS.
>    Small things cause No Run.  Things like incompatible connectors or the
> wrong brand of laptop.  Stuff known only to a few and not detailed in the
> instructions...When you finally do locate a so called Expert for the
> particular system you're trying to get working, their "fix" is often..."Oh,
> we  fixed that, you need our newer version....". and then you start over
> from square one.
> If youre only changing the EMS and nothing else, I wouldn't count on any
> big improvement in function.  Aftermarket Engine Controllers do have big
> potential, but unless the rest of the engine systems are modified, you'll
> not see much of a return on the time and money you'll put into one.
> Engines are systems.  Our unsophisticated production vehicles work ok when
> running properly.   Add just one expensive  component isn't going to gain
> you much of anything, other than possibly improved Frustration Tolerance.
> IMHO. Don Hanson
>