[V8] ECU part numbers
andyschlueter at 4techwork.com
Fri Dec 1 22:47:18 EST 2006
I am dogin a 5spped conversion on my '90. What would be the ecu
difference? Separate harneses for ecu and tcu
Andrew W. Schlueter
'90 Audi V8 Quattro
From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf
Of Tim Hollister
Sent: Friday, December 01, 2006 3:07 PM
To: getur at optonline.net; v8 at audifans.com
Subject: Re: [V8] ECU part numbers
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
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