[V8] ECU part numbers

sdewitt at stx.rr.com sdewitt at stx.rr.com
Fri Dec 1 13:10:59 EST 2006


Yes the ECU's are different part numbers.

----- Original Message ----- 
From: getur at optonline.net 
Date: Friday, December 1, 2006 11:46 am 
Subject: Re: [V8] ECU part numbers 
To: v8 at audifans.com 

> 
> 
> ----- 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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