[V8] 5sp VS Auto 3.6 ECU differences?

Tue Mar 16 19:36:35 PDT 2010

I'm sorry I won't do it again.

 Ron

--- On Tue, 3/16/10, urq <urq at pacbell.net> wrote:

> From: urq <urq at pacbell.net>
> Subject: Re: [V8] 5sp VS Auto 3.6 ECU differences?
> To: v8 at audifans.com
> Date: Tuesday, March 16, 2010, 12:36 AM
> Why is it necessary to add comments
> in the middle of a message?  It gets to
> the point that I can't make out who was saying what ... and
> I tend to ignore
> the entire message.  Snip the important parts out if
> you feel it is helpful
> ... 
> 
> Sorry, but I'm also one of those people who hate having to
> scroll to the
> bottom of a message to find the new info ... 
> 
> Anyway ... replacing fuel filters is a no brainer for me
> ... never even
> think to mention it.  The fuel filter is one of the
> cheapest parts to
> replace ... why not?!
> 
> ... now the "pre-filter" on the urq ... the one in line
> from the fuel tank
> to the pump ... even though that is even cheaper than the
> filter after the
> pump, that's one I'd rather not deal with on a regular
> basis ... 
> 
> -----Original Message-----
> 
> Comments inserted....
> 
> --- On Mon, 3/15/10, Tony and Lillie <tonyandlillie1 at earthlink.net>
> wrote:
> 
> > From: Tony and Lillie <tonyandlillie1 at earthlink.net>
> > Subject: Re: [V8] 5sp VS Auto 3.6 ECU differences?
> > To: "Ron Wainwright" <ron_01056 at yahoo.com>,
> "urq" <urq at pacbell.net>
> > Cc: v8 at audifans.com
> > Date: Monday, March 15, 2010, 7:39 PM
> > I suspect you are talking about
> > Jack's new 5-speed, which needs guide seals unless
> Dave H
> > did them. I know when I drove the car (shortly before
> he
> > sold it) it needed them. When I followed him, it
> smoked both
> > on extended idle and while decelerating.
> 
>  No not the same car. 
> The setup is similliar though.
> 91 V8 OE 5sp using the OE 5sp wiring harness and 3.6 ECU.
> 3.6 Intake, 19lb inj, 
> on Bruces ol 4.2 motor from "the Brown turd"
> as I remember it he had those heads done.
> 
>  If that's not the
> > car, then onto this:
> > 
> > Yes, Auto cars shut off fuel while decelerating, I
> believe
> > down to 1400 RPM. No, it really doesn't make sense
> that it
> > smokes with the auto ECU and not the 5-speed. The
> kearning
> > curve for the ECU is very short, on the order of
> warmup plus
> > about 30 seconds. Either way, what was the reasoning
> for
> > swapping in the auto ecu?
> 
>  He sawapped ECU's cause he said he was running lean. Ended
> up being the
> fuel filter being clogged. 
> And on a side note,
> 
>  Why is it I never hear anyone saying there changing there
> fuel filters?
> 
>  Ron
> 
>  
> > -----Original Message-----
> > >Subject: Re: [V8] 5sp VS Auto 3.6 ECU
> differences?
> > >
> > >Comments inserted....
> > >
> > >--- On Mon, 3/15/10, urq <urq at pacbell.net>
> > wrote:
> > >
> > >> From: urq <urq at pacbell.net>
> > >> Subject: Re: [V8] 5sp VS Auto 3.6 ECU
> > differences?
> > >> To: v8 at audifans.com
> > >> Date: Monday, March 15, 2010, 11:09 AM
> > >> As far as I can tell only the
> > >> EPROM.  IME on smoke on decel it doesn't
> > >> happen all the time.  Did the person who did
> the
> > test
> > >> swap the 5-speed back
> > >> in and see the smoke?  
> > >
> > >He said he got no smoke with the 5sp ECU.
> > >
> > >>There is one possible
> > >> difference, it is something
> > >> I've asked but don't remember hearing a
> response
> > ... does
> > >> fuel get
> > >> completely shut off on an AT car on
> overrun?  You
> > can
> > >> tell by the trip
> > >> computer instantaneous fuel economy going to
> > "----".
> > >
> > >
> > > All so, it's my understanding in such a setup
> (4.2 5sp
> > with 3.6 stuff with bigger inj) that the ECU will have
> to
> > learn what's going on now with the motor.... so the
> Auto ECU
> > might have to learn longer than a 5sp ECU would?
> > >
> > > Ron
> > >
> > >> -----Original Message-----
> > >> From: v8-bounces at audifans.com
> > >> [mailto:v8-bounces at audifans.com]
> > >> On Behalf Of
> > >> Ron Wainwright
> > >> Sent: Monday, March 15, 2010 6:35 AM
> > >> To: v8 at audifans.com
> > >> Subject: [V8] 5sp VS Auto 3.6 ECU
> differences?
> > >> 
> > >> Is there any differences "internally"?
> > >> 
> > >> It has come to my attention that the 3.6 Auto
> ECU
> > doesn't
> > >> cut the fuel off
> > >> like the 5sp ECU... 
> > >> ... It was told to me that in his 4.2
> original 5sp
> > car with
> > >> 3.6 ECU and
> > >> wiring that with the Auto ECU on deceleration
> he
> > got smoke
> > >> out the rear
> > >> pipes..... but when he put the 5sp ECU in it
> > didn't smoke
> > >> on
> > >> deceleration....does that make sense?
> > >> 
> > >>  Ron
> > >> 91 V8 5sp mit 4.2 aka Black Betty
> (hibernating)
> > >> 91 20020vt 22psi
> > >> 
> > >> 
> > >>       
> > >> 
> > >>
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>       
> 
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