mr2-digest               Saturday, 18 November 1995     Volume 01 : Number 035

RE: uunet addresses & US Fog lights
Re: mr2-digest V1 #34
Re: mr2-digest V1 #34
Tire wear
Springs and Struts for '89 SC MR2
RE: mr2-digest V1 #34
re: t-tops, tires, speakers
RE: rumbling coming from front end
Free Exhaust Header
Mk1 NA mods
Mk1 computer internals
Re: clunk sound

----------------------------------------------------------------------

From: Scott McBurney <uunet!dewar.com!scott>
Date: Fri, 17 Nov 1995 08:40:00 -0600
Subject: RE: uunet addresses & US Fog lights

Someone in the last digest mentioned that they couldn't send email to an 
address something like: uunet!aol.com!CybrRacn54

The address is formatted that way because of the list server that is 
running.  Its also easy to translate into normal "internet" format.

The user name is the last item:  CybrRacn54
The domain name is the item previous to that:  aol.com
Anything before that is how it gets routed through uunet (an interconnected 
network).
So the final address would be:  CybrRacn54@aol.com

Hope that helps.


Someone asked about fog lights in the US.  The for lights for the MR2s here 
are clear instead of yellow, and do not have the capability to rotate with 
the steering.  I had heard of these japanese fog lights almost 2 years ago 
because one of the MR2 club members at Pocono had been to Japan and picked 
up a Japanese parts list of MR2 accessories.  He had then ordered the 
yellow fog lights for his mr2.  They fit, but there was no way to connect 
the motors in them.  The do look quite unique.  He had also ordered a 
replacement "MR2" panel to go between is taillights.  It seems that the 
Japanese version lights up, similar to the fieros in the US.

*-----------------------------------------------------------------*
*  Scott McBurney  '91 MR2 Auto 133k miles    License:  QUIK MR 2 *
*  Internet:  smcburne@dewar.com                                 *
*  Dewar Information Systems - A Sysdeco Media Company            *
*  3050 Finley Road, Suite 301                                    *
*  Downers Grove, IL  60515           "I drive, therefore I am"   *
*-----------------------------------------------------------------*


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------------------------------

From: uunet!aol.com!CybrRacn54
Date: Fri, 17 Nov 1995 11:01:51 -0500
Subject: Re: mr2-digest V1 #34

In a message dated 95-11-17 06:16:31 EST, you write:

>One. Re - the lowering of intake air to increase HP .... A guy I know said 
>that for 1/4 mile sprints he puts ice on the intercooler ... cools down the 
>air more and increase HP.
>
>

Another popular method of lowering intercooler temperatures before a 1/4 run
is to spray it with Nitrous Oxide.  It's quite an expensive method but very
effective.

Gerald San Agustin
88 Twincharger
Cyber Racing, So. Cal.


------------------------------

From: uunet!aol.com!CybrRacn54
Date: Fri, 17 Nov 1995 11:01:51 -0500
Subject: Re: mr2-digest V1 #34

In a message dated 95-11-17 06:16:31 EST, you write:

>This subject was hot in T/E/L list a few months ago.  Basically, the wires
>are 
>excellent due to its very low resistance, however, I never heard a side by
>side
>comparison with Magnecore.  Some swore by it and some at it while I never
>heard
>anyone swore at Magnecore including me (Land Cruiser) and my brother (SC
>MR2).
>Back in summer '95, I tested the the resistance of Magnecore wires in my LC
>and
>Accel's in my friend's LC, it turned out that Magnecore has more resistance 
>with the same wire length than Accel (~ 200-300 more ohms).  I am not really

>sure if less resistance makes better wires.  Anyone wants to throw their 
>opinion ?

I've never actually used them myself, but it seems funny how big a hype
everybody made over the Nology Wires.  At first, they seemed like they could
cure almost any ignition problem.  As it turned out, they caused more
problems than solutions.  These wires are actually solid core with a special
metal shielding that acts like a capacitor.  Everybody knows whats happens
when solid core wires are used.  Severe Electro-Magnetic Interference,
causing havoc with mostly any type of EFI brain.  Also, talking with Dynamic
Autosports (which also is the first shop to try to push their sales), these
wires caused severe backfiring on factory cars equiped with a DIS.  In my
opinion, they're only good for either a full-race carburated vehicle or what
they originally designed for - Top Fuel / Nitromethane burning engines.

For years, I've used Jacobs wires and have had no problems or gripes.  I
believe they're excellent wires with very low resistance (approx 100 ohms per
foot) and no EMI.  But recently, MSD has a new wire whcih claims even lower
resistance (approx 30-40 ohms per foot) with the same EMI suppression.  I
plan on giving them a test and hopefully give my opinion.

I've tried several type of wires in the past years (Accel, Magnacore, some
other so-called 'Hi-Performance' wires) and came to my conclusion that lower
resistance does bring a better spark, as long as EMI is suppressed.

Gerald San Agustin
88 Twincharger
Cyber Racing, So. Cal.


------------------------------

From: uunet!aol.com!Casey7970
Date: Fri, 17 Nov 1995 16:22:03 -0500
Subject: Tire wear

>4.  Why do I only get 10,000 miles out of a set of rear tires?

Reasons:

1.  Expensive tires = soft rubber = faster wear

2.  The negative camber (tilting inward at the top of the wheels) that is
stock on these cars creates rolling tension in the tread which translates to
accelerated wear.


Possible reasons:

3.  Your alignment is off (probably not, unless your tires are wearing
somewhere other than the innermost part of the tread).

4.  You like to have fun when you drive :-)


The only thing you can really do with any practicality is buy harder tires
with a mileage warranty.  Your traction will suffer, but your wallet wont.


Kip Anderson
91 Turbo, 45k Miles
Casey7970@aol.com


------------------------------

From: Thomas F Wahjudi <uunet!magnus.acs.ohio-state.edu!twahjudi>
Date: Fri, 17 Nov 1995 17:25:54 -0500 (EST)
Subject: Springs and Struts for '89 SC MR2

Hi all,

     It seems the time to replace the spring and struts in my bro's '89 SC.  
One strut in front is leaking due to OEM spring cut too much (he bought the car
with springs already cut that way) and I guess the others will follow soon.  
So, can you guys give me any suggestions (brands and types) ?  And the place 
where I can get them cheap ?

TIA

_______________________________________________________________________________
Thomas F. Wahjudi

1982 Pink Pearl Toyota Land Cruiser FJ-40... Indonesian RHD, I6, CDI, Downey
270 deg. cam, 190amp alternator, ARB air lockers, PTO, rear full-floating axle,
4.88 gears, Go Rhino! trusses, 4-speed, OEM power steering, fr. disc brakes,
35" BFG MT, custom roll bar and seats.

Pictures are at Dean Water's 4x4 Web Page and Ian Staines' Toyota Land Cruiser
Homepage :

http://www.indirect.com/user/a4x4/4x4.html
http://mindlink.net/Ian_Staines/tlc.htm

twahjudi@magnus.acs.ohio-state.edu
TLCA member # 2926, a proud one !
_______________________________________________________________________________

------------------------------

From: Shawn Gordon <uunet!microsoft.com!shawng>
Date: Fri, 17 Nov 95 13:13:16 TZ
Subject: RE: mr2-digest V1 #34

| From: Curtis Allen Lum <uunet!calstatela.edu!clum>
| Date: Thu, 16 Nov 1995 13:09:03 -0800
| Subject: FYI regarding "fastest" import at Hi-tech Shootout
|
| In response to a message posted by Mark Sink to the last
| digest--He wrote that the fastest(quickest-correct term) turbo
| import at the Hi-tech Import/Domestic
| Shootout in Bakersfield, Ca.,(Nov. 12) was a 93-T that ran a 12.27.  
Just for
| clarification, this wasn't the "quickest" import, as Kevin Wyum ran 
an 11.86 in
| his STOCK INTERNALS and turbos(?)--probably not! 93 TT RX7!! In fact, the

I have talked with Kevin on the RX7 Internet List (I have a 1983 RX7) 
and his car _IS_ running both the stock turbos and internals.  All the 
RX7's produced from 93-96 have a sequential twin turbo setup.  All the 
turbo upgrades for the 3rd gen RX7's are single turbo systems and the 
only thing that you can do to a rotary engine on the inside is to port 
the intake and exhaust ports.  The only drawback to doing this is that 
the turbo will not have enough back pressure to give full boost.  So 
that would be a waste of about $2k if you did that.  If you look at the 
10th Anniversary issue of Turbo, there is an article on his car.  Kevin 
has only used bolt on mods and homemade improvements to his car.  It is 
street legal and he drives it everyday.

Later,
Shawn
shawng@microsoft.com
91 MR2 Turbo
83 RX7 (no motor)

P.S. Sorry for getting on the soap box but, until I got my MR2, I owned 
RX7's exclusively.



------------------------------

From: uunet!harvey.carol.net!bob (Robert Rogers)
Date: Fri, 17 Nov 1995 14:44:36 -0500
Subject: re: t-tops, tires, speakers

> George T. Hilliker
> Computer Sciences Corporation <ghillike@csc.com
> Personal E-Mail: 71043.1023@compuserve.com
> 
>Date: Wed, 15 Nov 95 09:53:08 PST
>
>I am a new MR2 owner (1993, turbo, t-tops, cd, leather, 5-speed) and have a
few 

congrads! you don't mention if your 93 is a turbo (93T) or not (93NA)

>1.  My T-Tops sqweak but don't leak.  Should I worry?

is it a squeek or a creak? they also make more noise when its cold. they
leak when it rains too. if you have a creak, (or even if you don't) spray
silicon on all of the weather striping. after it soaks in, wipe off any
excess. this will help reduce leakage. 

[stuff deleted]

>4.  Why do I only get 10,000 miles out of a set of rear tires?

that's just the way it is.


>From: John Ho <uunet!cs.ualberta.ca!jho>
>Date: Thu, 16 Nov 1995 07:01:43 -0700 (MST)
>Subject: Where to put 2 extra speakers on a MKI

>Hi,
>    My 86 MKI's deck is now toast.  I only had the 2 6" speakers
>in the front dash.  Now, I'm upgrading my deck, and adding another 2 
>speakers.  Any idea where I could put them?  I'm hestitant about 
>putting them right behind the seats against the firewall.


along related lines, i have a 93 with the 8 speakers and i have been
thinking about buying pickup style wedge boxes and installing 8 inch polk
subwoofers. you could do a similar thing, but buy the truck enclosures with
the tweeters...
i was thinking of using a double pole switch on the subs that are already
there so then i could take them out when i needed cargo space. anyone have
any thoughts??

bob rogers
bob@carol.net


------------------------------

From: "The Danimal" <uunet!lib.nmsu.edu!dch>
Date: Fri, 17 Nov 95 11:21:15 MDT
Subject: RE: rumbling coming from front end

 I think you guys need to replace your struts up front. The klunking 
rumble you here at moderately slow speeds on bumpy roads and corners
could be caused from your struts I know that those symptoms went away
after I but on some decent struts.
*********************
* Dan Hust          * 
* Systems Tech-VII  * 
* New Mexico State  *
* University Library*          
* dch@lib.nmsu.edu  *
*   505 646-2931    *
*********************

------------------------------

From: uunet!boulder.earthnet.net!mr2 (MR2 Performance Products)
Date: Fri, 17 Nov 1995 15:42:00 -0700
Subject: Free Exhaust Header

Mr. 2 Performance Products is developing a performance exhaust header for
the NA MR2.
We would like to find a volunteer willing to drive to our header fabrication
shop
in the Birmingham, Alabama area and leave thier MR2 for one week.  The volunteer
will receive a free mild steel exhaust header, and installation in exchange.

We need one of each of the following MR2's

1985-89 NA
1991-95 NA

If interested, email for details.

Thanks, John Broderick
        Mr.2 Performance Products
        Lakewood, Colorado
        email: mr2@earthnet.net


------------------------------

From: Dave Kucharczyk <uunet!us.oracle.com!ssr>
Date: Fri, 17 Nov 1995 10:47:36 -0800 (PST)
Subject: Mk1 NA mods

someone out there asked about mods for NA cars.  i have a 85 NA, that has been
heavily modified. list of changes follows;

'87 block w/2mm overbore 10.5:1 pistons.
steel head gasket.
ported head with formula atlantic intake valves.
HKS cams (264 intake, 256 exhaust)
ported intake system and TVIS
TRD headers, supercharged exhaust system with no catalyst
larger injectors
mallory ignition coil

the car is noticably faster than a stock Mk1 and pulls hard all the way into the
rev limiter.  i expect the cams would make power up to 8K or higher if you 
could disable the rev limiter.  i have not had the car on a dyno so i can't
give you any exact figures, but using a vericom i estimated about 130 HP. 
having the stock computer was a requirement for me, and i am at the limits
of what you can do with it unless you can get into the PROM and change 
the ignition and fuel curves. 

when the cams are set to make maximum HP, the idle becomes noticably irregular
due to the extra overlap.  you can live with it just fine, but you have to run
the idle around 1K instead of 800.

the car pings slightly at 3700-4500 on hot days under light throttle due to the
high compression and leaning of the mixture when the the computer is running 
closed loop.  opening the secondary runners of the TVIS earlier (at 3700) stops
the pinging.  leaving the TVIS runners open all the time makes the idle worse.
the engine will not idle reliably below 1200 RPM with the runners open and the
cams set to maximum overlap. there is no noticable difference above 2000 RPM or
so with the TVIS always open.  the airflow meter also needs to be adjusted some
to compensate for the larger injectors at idle.  the timing is backed off to +7
degrees to allow for the higher compression.

my dead stock SC Mk1 is still a bit faster.  

dave


------------------------------

From: Dave Kucharczyk <uunet!us.oracle.com!ssr>
Date: Fri, 17 Nov 1995 10:50:21 -0800 (PST)
Subject: Mk1 computer internals

if anyone out there knows what processor/PROM the toyota computers used 
(85-89) please drop me an e-mail (ssr@netcom.com).  

thanks,
dave


------------------------------

From: uunet!aol.com!RamziM2
Date: Fri, 17 Nov 1995 19:53:05 -0500
Subject: Re: clunk sound

The clunk sound that you describe from the front of the car is from a worn
out bushing inside the steering rack.  You can change the struts the bushings
and the springs and the clunk sound will not go away.  I had the same problem
on my 86 MR2 and I didn't solve the problem till i finally purchased a
remanufactured steering rack last month.  This is actually a fairly common
problem in 85 and 86 MR2's the sad thing is that i hear that the bushing
wears out every 30K!

Ramzi

------------------------------

End of mr2-digest V1 #35