Anybody tried this?

[David]

Being that the NG is a high compression engine (10:1), I would shy away from a bolt on turbo. But if you were to first put on a 20V head, that would drop the CR to about 8.5:1 which would work pretty well for forced induction...

Dave
1987 CGT 2.3 (NG)
SE Virginia, USA

> 
> From: Ed Kellock <ekellock at gmail.com>
> Date: 2004/10/13 Wed PM 03:28:41 EDT
> To: quattro at audifans.com
> Subject: Re: Anybody tried this?
> 
> Actually, the engine in an '88 90q is the 2.3 liter NG engine which
> runs newer version of CIS.  Not sure how much this would change the
> equation but thought it might be relevant.
> 
> 
> On Wed, 13 Oct 2004 11:35:04 -0700, Bernard Littau
> <bernard.littau at gmail.com> wrote:
> > Hi Mitchell,
> > 
> > I have not done this per se, but I've been involved with a few
> > upgrades such as this.
> > 
> > Your engine is an Audi 2.2 liter Inline 5.
> > 
> > You will likely want to do an engine swap, but you'll keep your A/C (I
> > can see why you want the A/C in SC, I visit there from Seattle from
> > time-to-time).
> > 
> > The engine that gives you the most bang for the buck, and is a easy
> > mechanical swap is the Audi MC engine code turbo I5.  It's from the
> > 1986-1988 Audi 5000 turbo quattro.  It is mostly a direct replacement
> > for your current engine, with the turbo goodies, and some helpful
> > internal improvements such as oil sprayers on the pistons to help with
> > cooling.
> > 
> > There are people who have bolted on the turbo goodies to the non-turbo
> > engine, so that is an option, but the MC swap will likely be more
> > durable.
> > 
> > Now, in the old days, the hard part of such a swap was moving the
> > engine management system.  That involved stripping the wiring harness,
> > ECU and various sensors out of the donor car, and cobbling it together
> > into the recipient.  It was a daunting task.  Today, however, you
> > wouldn't want to do that.  Just replace the whole 1980 style fuel
> > injection system with a modern kit fuel injection system.
> > 
> > Depending on how technical you are, megasquirt is a very good starting
> > point.  You do it youself, but it has a lot of support for DIY types.
> > There are many MC engines converted to Megasquirt, so you can get
> > advice and initial tuning maps from people.
> > 
> > A more upscale unit would be Javad's EFI034; costs a bit more, is a
> > bit better.  There are commercial ones that cost even more than these
> > two, but they are not as sorted out for the Audi application.  I'd
> > stick with one of these.  I have a megasquirt, but not on my '88 5ktq.
> > I'm thinking of going EFI034 for my Audi.
> > 
> > The modern EFI units avoid the need for much of the FI plumbing from
> > the original MC donor.  Between not needing the wiring and ECU and not
> > needing to fit the MC airbox and  other plumbing, its a huge win to go
> > with an EFI upgrade as well.  I don't think anyone would do a
> > wiring/ECU swap today.
> > 
> > Take a look at:
> > http://www.80tq.com/
> > http://www.034efi.com/
> > http://www.bgsoflex.com/megasquirt.html
> > 
> > BTW the stock MC engine has 162 HP.  A used one should cost around
> > $500.  With EFI and perhaps a stiffer wastegate spring, you can easily
> > get to 250 HP.  With a better turbo ($1500 ) and a better Intercooler
> > (not sure of the $$$, but likely $1000 or so) you can get above 300
> > HP.
> > 
> > You'll be very sorry you asked this question and very sorry you looked
> > at those sites :-)
> > 
> > Best,
> > 
> > Bernard Littau
> > Woodinville, WA
> > '88 5ktq
> > 
> > On Wed, 13 Oct 2004 10:01:12 -0500, Haskins Mitchell S TSgt 437
> > 
> > 
> > APS/TRP <mitchell.haskins at charleston.af.mil> wrote:
> > > I recently came into a bit of money, and would like to add some 'forced
> > > induction' to my 1988 Audi 90 Quattro.  As I live in South Carolina, an
> > > engine-swap is out of the question because I'd lose my A/C.  If anybody
> > > knows of a way to add a turbo (custom downpipe), or supercharger without
> > > removing my A/C, would you please share your story here with us?
> > >
> > > Thanks in advance!
> > >
> > > Mitchell S. Haskins
> > >
> > > 1988 Audi 90 Quattro
> > >
> > > _______________________________________________
> > > quattro mailing list
> > > quattro at audifans.com
> > > http://www.audifans.com/mailman/listinfo/quattro
> > >
> > 
> > 
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