team3s              Tuesday, May 29 2001              Volume 01 : Number 505




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Date: Sun, 27 May 2001 23:47:18 -0700 (PDT)
From: George Kuo <amkreadgto@yahoo.com>
Subject: Team3S: Compression & ECU Error questions...

Hello Team,

I have a few questions hope you guys can help. Let me
1st give u a general idea of my mod: GT357s, ARC,
550cc's, FMIC, HKS pump, and other basic turbo
goodies...

1)

Recently I found out I have 9:1 JE pistons.. dont ask
me why... long story~ =(

I understand a high compression engine will not
sustain high boost... now the question is --> what are
the signs that I am feeding my 'high' compression
engine too much boost? Knock?

So as long as Im not seeing damaging knock, I will be
fine?

2)

Im also getting the Check Engine light once in a
while... the ARM-1 would kinda stick to the lean, red
bulbs.. no matter how I adjust the ARC.. but the car
runs fine tho.. only the ARM acts a little goofy..
show lean condition when its not... I floor it a few
times when it was acting up... @15psi, ARM showing
lean, I didnt get any knock...

The datalogger show ECU Error --> Barameter Pressure
Sensor.  What is that?? Where is that located? Is that
a O2 sensor??

Thanks in advance for the help!
/George

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 10:31:43 +0200 (W. Europe Daylight Time)
From: "Roger Gerl" <roger.gerl@bluewin.ch>
Subject: Re: Team3S: Compression & ECU Error questions...

> Recently I found out I have 9:1 JE pistons..=20

High Compression pistons mean that you will reach a higher pressure in th=
e chamber with less boost. Advantage is that you will get more power on l=
ow boost but the draw back is that knock may come on pretty quick. Boost =
is controllable and you'll not be able to fully use the 357 capabilities.=
 You know, higher boost means more air and with the appropriate amount of=
 fuel results in power. You are much more limited with a 9:1 tha with 8.4=
:1 in this area.

> So as long as Im not seeing damaging knock, I will be fine?

Yes, together with O2 readings. If possible also EGTs shoudl be watched.

> Im also getting the Check Engine light

See below
> the ARM-1 would kinda stick to the lean, red
bulbs.. no matter how I adjust the ARC.. but the car
runs fine tho.. only the ARM acts a little goofy

No the ARM cannot act goofy. On what O2 sensor is the ARM connected to ? =
The datalogger cannot show both O2 sensors but the rear one. If the logs =
do show different values than the connected O2 sensor then it is either t=
he wrong sensor or one that is going south. The check engine light could =
also be a sign of this.

> show lean condition when its not... I floor it a few
times when it was acting up... @15psi, ARM showing
lean, I didnt get any knock...

Lean doesn't mean that oyu must get knock. But the longer yo urun lean th=
e more the danger for knock.

> The datalogger show ECU Error --> Barameter Pressure
Sensor. What is that?? Where is that located? Is that
a O2 sensor??

No, the Barometric Sensor is not the O2 sensor (ehy,it also has a differe=
nt name) and it sits in the MAS ... that is not existing in your car anym=
ore *gg*. Simple answer : The ARC harness is not properly connected to th=
e barometric sensor wire or the ARC has a problem as it simulates a const=
ant pressure to the ECU. Let one measure the voltage at the ECU pin or co=
nnection to the wire. I guess it's just a bad junction to the wire that w=
ill also cause the ECU error.

Regarding the Irridiums in your car, Brian told me to put in two ranges c=
older due to the problems we discussed. When you see knock on a particula=
r amount of boost you may simply change them (or for a test only the fron=
t ones) to one range colder coppers and do a datalog again under the same=
 conditions.

Last but not least,the FMIC you have does a lot to cool the intake air so=
 it'll take longer until you will see signs of higher knock counts (above=
 13-16). I'm positive that you should be ble to run 1.15 bars without kno=
ck as the 13G produced a little cooler discharge temp as 9B but not that =
significant than the 357 do. This together with a good intercooling will =
hold good even in the higher boost area and the temps will not rise much =
in the intake. The Water injection will then be the add-on when knock app=
ears :)

Enjoy
Roger
93'3000GT TT
www.rtec.ch

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 09:19:48 EDT
From: DiABLoCarAudio@aol.com
Subject: Re: Team3S: Compression & ECU Error questions... IRIDIUMS

> Regarding the Irridiums in your car, Brian told me to put in two ranges
> colder due to the problems we discussed.

If you decide to get iridiums(any heat range), email me, I have a group buy
for almostt 50% off right now.

- -Paul
Norwood, MA
1992 Pearl White RT/NA
    For Sale..  =(
    http://209.58.199.225/vbb/showthread.php?s=&postid=194310
1992 Green RT/TT
    K&N FIPK
    1000CA 800CCA Battery
    Porterfield Cryo-Treated Rotors & R-4S Pads
    Porterfield Custom Stainless Steel Brake Lines
    Denso Platinum Spark Plugs Re-gapped @ .034"
    Greddy Profec Manual Boost Controller @ .9 Bar
    Custom 3" Exhaust to Apex Muffler
    15K miles on Rebuilt Engine
    Hard-Wired Cobra Radar Detector
    Viper Alarm System
    Pioneer DEH-P8000R
    PowerAcoustik 1600 Watt Amp
    Power Precision 200 Watt Amp   
    Dual Xtant 10" 500 Watt Subs
    1 Farad Stiffening Capacitor
3Si1127
Diablo Car Audio
www.DiabloCarAudio.com

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 10:32:40 -0700
From: Rich Fowler <richfowler2@home.com>
Subject: Re: Team3S: Iridium Spark Plugs?

I agree with Roger here, the iridium plugs did not work well in my car.  I
was getting knock at 1 bar and spark blow out with the iridium plugs gapped
at .028!  When I changed to NGK copper, blow out and knock went away.  Now
the car is running great.

Rich

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 17:09:58 -0700 (PDT)
From: George Kuo <amkreadgto@yahoo.com>
Subject: Re: Team3S: Compression & ECU Error questions...

Hi Roger,

Thanks for the swift reply!

>Boost is controllable and you'll not
> be able to fully use the 357 capabilities. You know,
> higher boost means more air and with the appropriate
> amount of fuel results in power.

So what is the capability of the 357's in psi?? When
does it start to loose its efficiency?

>You are much more
> limited with a 9:1 tha with 8.4:1 in this area.

Yea.. i was not happy to discover that the pistons
were 9:1.. but looking on the bright side, Im not out
to make a high boosting, 1/4 mile monster~ Maybe I'll
have more advantage on the streets and road courses...
who knows~ =)

> Yes, together with O2 readings. If possible also
> EGTs shoudl be watched.

This is a run I did an hour ago @ 1bar.. please have a
look..

http://albums.photopoint.com/j/View?u=1352767&a=10073908&p=49358004

4 was the highest knock sum recorded in 3rd gear.. EGT
peaked @ 930 degrees C in 3rd gear (was going higher,
but I just let go and shifted to 4th)  The O2 were @
.90v to .94v.  I am still trying to learn how to read
the logs... where does it show if my RC550s were being
maxed out?

What's the max EGT you recommend not getting over?

What should be the EGT read at crusing speeds
(stoich)?
 
> No, the Barometric Sensor is not the O2 sensor
> (ehy,it also has a different name) and it sits in
> the MAS ... that is not existing in your car anymore
> *gg*. Simple answer : The ARC harness is not
> properly connected to the barometric sensor wire or
> the ARC has a problem as it simulates a constant
> pressure to the ECU. Let one measure the voltage at
> the ECU pin or connection to the wire. I guess it's
> just a bad junction to the wire that will also cause
> the ECU error.

My ARC (prototype) was taken out (wires cut) to be
recalibated to the latest rev.. Im guessing the wires
werent connected properly when they put it back...
anyways.. i re-did it and reset the ECU.. and the
error code is gone now.. =)

> Regarding the Irridiums in your car, Brian told me
> to put in two ranges colder due to the problems we
> discussed. When you see knock on a particular amount
> of boost you may simply change them (or for a test
> only the front ones) to one range colder coppers and
> do a datalog again under the same conditions.

I did not get any blow bys during todays logged runs..
it ran smooth~ i did get some hessitation 2-3 times
yesterday... maybe it was the Barometer Sensor Error?
I thought it was spark blow bys..

> Last but not least,the FMIC you have does a lot to
> cool the intake air so it'll take longer until you
> will see signs of higher knock counts (above 13-16).
> I'm positive that you should be ble to run 1.15 bars
> without knock as the 13G produced a little cooler
> discharge temp as 9B but not that significant than
> the 357 do. This together with a good intercooling
> will hold good even in the higher boost area and the
> temps will not rise much in the intake.

Yes, I notice during today's runs.. i was getting
higher knock on runs that had car sat at idle of a
while.. the IC were probably heat soaked.. after a few
runs and the IC cools, the knock went down (some
away). =)

>The Water
> injection will then be the add-on when knock appears
> :)

I have seen ur debates on Alky vs. Water.. I have the
SMC Alky kit sitting in the garage~ =P

/George

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 17:23:23 -0700 (PDT)
From: George Kuo <amkreadgto@yahoo.com>
Subject: Team3S: CA Gathering... July 7-8

Resend.. didn't see the 1st one go thru..

Hello All,

We will be holding a California Gathering on July 7-8.
For more detailed please visit the below url. We will
be expecting atleast 40+ cars this year.. so come on
up/down with the family and enjoy the southern cali
sunshine! ... and meet fellow 3S'ers~ =)

http://209.58.199.225/vbb/showthread.php?s=7c4f3471c31af4fa01faa5518fe69ed3&threadid=30550

Please contact me directly or go to the 3SI board if
you have any questions, comments, or suggestions..
(don't reply to the list)..

Thanks for the space!
/george

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 20:27:43 -0400
From: Krazy Kiwi <magicare@home.com>
Subject: Team3S: Daytime Running Lights

I have to modify my U.S. spec '92 VR4 to include daytime running lights
for use in Canada.
This can be a temporary modification but must make the headlights pop up
and come on whenever the ignition is turned on at least until I have the
car inspected.
Has anyone out there done this and can offer some guidance.
I have the factory electrical manual and this looks fairly complex.:-(

- --
Regards,

Michael Salter
www.precisionsportscar.com

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Mon, 28 May 2001 22:35:38 EDT
From: ThorHolth@aol.com
Subject: Team3S: Mechanical Temp Sensor

Hi All:

    I'm replacing the factory temp gauge in my 1991 Stealth R/T Turbo. I
chose the autogauge mechanical temp because of the accuracy and 270 degree
sweep, which matches the fuel pressure sensor I installed (using jeff lucias'
directions).  Here's the question:  The Autogauge sensor comes stock with a
1/2" pipe thread adaptor, which can also be exchanged for a 3/8". 
Unfortunately, either way, it ain't gonna fit in that little sensor location
used by the stock sensor. Not even if I drill it and re-tap. The material is
just not there.  The next option then is to tap off of one of the heater core
hoses, the driver's side of which I believe is the supply (wouldn't want to
tap the return!).

My problem is that I don't know the size of the heater core supply line. The
outside diameter is about an inch, but before I drive all of the way to the
store, I was wondering if anyone could shed light on this.  I plan to use
hose barbs and a 1/2" tee fitting. 

    Does anyone know for sure what size hose barbs I need? Also, has this
method been used with success?

- -Thor

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Tue, 29 May 2001 00:04:14 EDT
From: Klusmanp@aol.com
Subject: Team3S: Warranty on parts installed by non-factory shop?

Has anybody had any luck getting Mitsubishi to warranty factory parts
installed by non-factory shops?

I've got a throwout bearing that squeaks like hell. It is obviously defective
and I can't imagine how installation could have caused any damage to the
bearing.

I'm coming up on one year for the bearing. I'm taking the car into the local
Mitsu dealer (shudder) to have the problem diagnosed so I have a record of
the problem.

Thanks!
Paul Klusman

***  Info:  http://www.Team3S.com/Rules.htm  ***

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Date: Tue, 29 May 2001 08:50:31 EDT
From: DiABLoCarAudio@aol.com
Subject: Team3S: Syncro Switch in 92 RT/TT...

How long would it take me and a competant mechanic to change the 1-2 and 2-3
syncro's in my 92 RT/TT?  I would like to do this before I get my car back on
the road and I'm just wondering if this will be a very complicated thing to
do?
Also, if I don't have the time, how much can I expect to pay for someone to
do it if I supply the syncros?
Thanks,
- -Paul
Norwood, MA
1992 Pearl White RT/NA
    For Sale..  =(
    http://209.58.199.225/vbb/showthread.php?s=&postid=194310
1992 Green RT/TT
    K&N FIPK
    1000CA 800CCA Battery
    Porterfield Cryo-Treated Rotors & R-4S Pads
    Porterfield Custom Stainless Steel Brake Lines
    Denso Platinum Spark Plugs Re-gapped @ .034"
    Greddy Profec Manual Boost Controller @ .9 Bar
    Custom 3" Exhaust to Apex Muffler
    15K miles on Rebuilt Engine
    Hard-Wired Cobra Radar Detector
    Viper Alarm System
    Pioneer DEH-P8000R
    PowerAcoustik 1600 Watt Amp
    Power Precision 200 Watt Amp   
    Dual Xtant 10" 500 Watt Subs
    1 Farad Stiffening Capacitor
3Si1127
Diablo Car Audio
www.DiabloCarAudio.com

***  Info:  http://www.Team3S.com/Rules.htm  ***

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End of team3s V1 #505
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