2.2 POWER Anyone !!

[David Ullrich]

One thing I forgot to mention...use the big valve head from a NF (not an
NG). With the low compression it may not make much of a difference, but on
the track, every hp counts, right?

Dave
-Audiless for now


On 12/11/07, Vittorio Bares <Vittorio.Bares at nuance.com> wrote:
>
> You just reminded me that the first NA 4k I had, the previous owner had
> installed VW 16v pistons to raise compression.
>
> Don't know any other details (thicker hg, why that raises compression,
> etc).
>
>
> Vittorio -
>
>
> -----Original Message-----
> From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
> On Behalf Of Ben Swann
> Sent: Tuesday, December 11, 2007 10:33 AM
> To: ECP4NOW at aol.com
> Cc: david.ullrich at gmail.com; quattro at audifans.com
> Subject: 2.2 POWER Anyone !!
>
> Dave did a good job at mentioning the things that you can do to a JT/KX.
> This is a relatively low compression engine.  You would gain some power
> if you can raise the compression too.  I've never done this with the
> KX/JT as the easiest thing was to install the 2.3 l NG.  That would
> probably violate the rules you are constrained by, but if you can go up
> .1 l then this would be the quickest way to add another 20+ HP and
> commensurate torque too.
>
> If you can bump the compression and add knock sensing, there is quite a
> bit more power to be had, especially if the engine is balanced and
> running with lighter flywheel
>
> Ben
> www.gtquattro.com
>
> [Date: Mon, 10 Dec 2007 21:47:21 EST
> From: ECP4NOW at aol.com
> Subject: 2.2 POWER Anyone !!
> To: quattro at audifans.com
> Message-ID: <bfa.179e4ea.348f5439 at aol.com>
> Content-Type: text/plain; charset="US-ASCII"
>
> Hi Folks,
>
> Anybody I need help to get the maximum power out of a normally apsirated
> 2.2
> 5 cylinder, open to all suggestions.  Adding a turbo is not an  option.
>
> I am thinking about building a 2.2 for the Targa Newfoundland...
> non-turbo
> this car will run very competitively in Class 7 (Modern 1982 to 1990
> Small
> Displacement) I am hoping on running in the Non Modified sort of similar
> to IT in SCCA racing.
>
> At any rate any suggestions on how to get the max power from this strong
> engine would be apprciated.
>
> Clarke]
>
> [Date: Tue, 11 Dec 2007 08:11:50 -0500
> From: "David Ullrich" <david.ullrich at gmail.com>
> Subject: Re: 2.2 POWER Anyone !!
> To: "quattro at audifans.com" <quattro at audifans.com>
> Message-ID:
>        <f4c312c80712110511y648ca34fqdc27767ded4371d2 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Just like any naturally aspirated engine, you aren't going to get tons
> of power without switching to forced induction (turbo). But the 2.2ltr
> JT/KX engine does respons nicely to some modifications. The first mod
> you should do is advance the timing. If you run premium fuel all the
> time, you should be able to advance the timing to at least 12*. First
> set it to 12* and go for a drive. Do you hear any pinging? No? Try
> setting it to 14*, if you did hear pinging, back it off to 12* and test
> drive again. Basically, you want as much advance as possible without
> pinging. Other mods that will help: 272* cam, 2.25" exhaust (with 4000
> quattro downpipe if it is a Coupe GT), larger throttlebody from the 2.3
> NG/NF engine, port & polish, balance & blueprint, lightened flywheel,
> etc. Basically you can do anything you can do on any other NA engine. A
> properly modded 2.2 KX should get up to about 130-140 HP.
>
> Dave
> -Audiless for now]
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-- 
David G. Ullrich
Cavu Consulting
"Finally, Affordable Technology Help"