Meremere

Mikkels · Post by **Mikkels** » Mon Aug 15, 2005 8:16 pm

Well it went like this. First run I was a bit nervous and
up aginst a civic SI. Made a great start and slightly ahead
until I selected 5th instead of 3rd. Did 17.46 and the
Civic 16.9. Ok Next run concentrate on the 2nd 3rd gear
change. Huge difficulty selecting third at max RPM - would
not go in. Stirred up the box a bit and run 17.9. The car
in the other lane was an old Galant 1989. It did 12.55!!
may have been a little modified I think. Third run I
figured slower may be faster so was conservative about
revving out 6500 instead of 7300 - 17.75. Ok another run
this time against a Nissan sss saloon. Big problen
selecting third - huge graunch then in 17.24 and beat the
Nissan (17.9). I gave up at this stage as the gearbox was
not going to play ball. In all other respects the gearbox
behaves. So what is the problem with the gearbox? All
behaved fine on the drive home. I do have some figures to
work with as they give you the 60 foot time and the eighth
mile time as well so I will go ahead and put the flywheel
in. Also had a ball apart from the above. I really
recommend having a go but be prepared to be at the back of
the pack. There are some fast cars out there.

I wonder if the oil in the gearbox is an issue. I used
Redline MTL fresh about 1000k ago. Maybe I should have used
the heavier 90 grade?

OK so what now? Should I get the gearbox stripped and
checked when I have it out?

Don

Ian · Post by **Ian** » Mon Aug 15, 2005 9:41 pm

Don, can you give us a brief run own on your car, and any mods you have done?
Thanks

Mike Jolley · Post by **Mike Jolley** » Mon Aug 15, 2005 10:34 pm

I also selected 5th at meremere twice in my haste.i was changing at 6700
from memory.Different rear wheels and exhaust would see in high 16s. Great
fun. Mike

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Don - it's a common "problem" under those conditions. Apparently the
motor torques the transmission enough for 3rd not to be in it's usual
place, although still the same relative to 2nd

, just not where
your brain expects to find it !

So chances are your gearbox is OK

Just for laughs - http://www.wwtfd.org/bigdmiata/fastest.php - the
toptime there is with a RX7 driveline and huge turbo, but otherwise
still a street car :-0

On 8/15/05, mikkels@ihug.co.nz <mikkels@ihug.co.nz> wrote:
[...]

garry · Post by **garry** » Mon Aug 15, 2005 11:03 pm

Don, before you take it out you should try an oil change.

If its running normal gear oil, change it to transmission fluid for
automatics and take it for a drive.

Changing to the thinner fluid not only makes the car faster with less drag
in the gearbox but makes for faster shifts and may cure your 3rd gear
problem.

Garry

Mikkels · Post by **Mikkels** » Tue Aug 16, 2005 10:29 am

1990 with 1.8 fitted, extractors and 2 inch system with cat removed. 14
degree timing K&N filter in standard air box. Lightened standard flywheel.

Cheers

Don

Mikkels · Post by **Mikkels** » Tue Aug 16, 2005 10:32 am

Ok so I need more practice. Not something you do on the street is it. Max
RPM upshifts to 3rd are over the legal limit pretty much.

Cheers

Don

Ian · Post by **Ian** » Tue Aug 16, 2005 11:06 am

Don..

I have just changed my g/box oil to Castrol Syntrax (expensive but still a
little cheaper than Redline).
Is your car a 1600 and standard?

Ian · Post by **Ian** » Tue Aug 16, 2005 11:17 am

There is a 16.?? sec standing 1/4 in your car somewhere!! The occasional
road test notes the 2/3 change difficulty when 'pressing on'...
Do you know the respective weights of your two flywheels? I understand a
standard 1800 is 19lbs..
Ian

Mike Jolley · Post by **Mike Jolley** » Tue Aug 16, 2005 5:45 pm

I found could not quit hold 3rd as over rev just before finish and lost
time and momentum as i went into 4th.that anoying 50 feet to end.
mike

Mikkels · Post by **Mikkels** » Tue Aug 16, 2005 8:51 pm

Hi Ian

The machine shop reckoned they removed 2 pounds. I did not
verify that. My new Flywheel is 9 pounds so that should be
really interesting.

Don

[...]

Mikkels · Post by **Mikkels** » Tue Aug 16, 2005 8:54 pm

Hi Mike

Same experience the one time I got third with only a minor
delay.

The next session at Meremere is the 28th of August. I may
go and have a few more goes but need to calm down and sort
the 2/3 gear change. Maybe it really is just practice.

Don

[...]

Mike Jolley · Post by **Mike Jolley** » Wed Aug 17, 2005 8:24 pm

meremere this week end will be prepared with vht for traction,will make a
difference to your times from the colder ,dustier track 2 weeks ago, mike

Mikkels · Post by **Mikkels** » Thu Aug 18, 2005 11:46 am

Hi Doug

Launch was about 5k and drop the clutch (gently). Lots of
wheelspin. Huge fun. I will look at the clutch when in
there but given it is only 15k old I'm hoping it is OK.

Haws the new motor going?

Don

[...]

Mikkels · Post by **Mikkels** » Thu Aug 18, 2005 11:53 am

Hi Mike

I think the next day there is the 28th.

I'm quite keen to have another go.

Don

[...]

Mike Jolley · Post by **Mike Jolley** » Thu Aug 18, 2005 6:04 pm

another series this weekend. mike

Mikkels · Post by **Mikkels** » Thu Aug 18, 2005 9:04 pm

Cool

Are you going?

Don

[...]

Mike Jolley · Post by **Mike Jolley** » Thu Aug 18, 2005 9:41 pm

No moving 8 days time then back into mxing full time , mike

Mikkels · Post by **Mikkels** » Mon Aug 22, 2005 10:21 pm

Keith

Thanks for your tip. Do you need to get at the spring from
beneath the car? I figured you would get in from the top?

Let me know how that works for you. I'm going back to
Meremere soon.

Don

[...]

Mike Jolley · Post by **Mike Jolley** » Tue Aug 23, 2005 6:57 am

My next run will change rear wheels to alter ratio tobe in 3rd max revs at
end, mike

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Subject: Injector Cleaning
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Can anyone recommend a good company in Auckland for cleaning/flow
checking fuel injectors?

Keith

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Mikkels · Post by **Mikkels** » Tue Aug 23, 2005 8:09 pm

Mike

What is your best time?

My runs were with autostart off. Does that mean that you
time includes reaction time?

Don

[...]

Mike Jolley · Post by **Mike Jolley** » Wed Aug 24, 2005 8:55 pm

think 17.2,my reaction time better than pro's
0.00045 or something under half of my sons(old rules) girl with extractors,2
inch exhaust doing 16.5 .mike

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