[V8] ECU part numbers

[Tim Hollister]

you can, I don't know what differences IA did as far as if they started with a mt ecu or a at ecu.
the mt ecu would be the same hardware but different timing maps. the IA stuff should negate the
difference between the at and mt ecus.


--- getur at optonline.net wrote:

> 
> 
> ----- Original Message -----
> From: Tim Hollister 
> Date: Friday, December 1, 2006 11:44 am
> Subject: Re: [V8] ECU part numbers
> To: v8 at audifans.com
> 
> > I have all the info on those.
> > 
> > the 404c is the original ecu for the 90 v8q, the 404hx series 
> > are the newer ecus (started in 91)
> > and do replace the c. the hx series also provides a performance 
> > increase in low end torque and
> > overall drivability. 
> > 
> > If you are replacing the h with a c then swap the prom chips and 
> > go with that. the physical
> > hardware is the same.
> > 
> > I have a ecu if you need one.. its a c with the h code. works 
> > perfectly.
> > lmk.
> > 
> **********
> Any difference in the ecu's between an automatic and manual? Can I use an ecu from an automatic
> for an IA chip upgrade and put it in a manual?
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