93 1.6L gt28rs Miotta first 1/4 mile results - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-25-2008, 01:03 PM   #1
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Default 93 1.6L gt28rs Miotta first 1/4 mile results

Megatune datalog from the run included

[email protected] on the old/35psi/stretched 196 Falken Zeix 512s. 2degrees of camber and no shock adjustments.

60ft - 2.26
1/8th ET - 9.09
1/8th mph - 80.06
1/4mile ET - 13.75
1/4mile MPH - 108.91

Might have some useable vid... I'll know next week. I'll be mostly offline this holiday... sorry.

I trapped higher than I expected... and it has more in it at this psi...with a real launch and some work. I was slow shifting, my first 2 runs I missed 3rd and then 2nd/3rd... it sucked.

So my 3rd run made me happy.
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File Type: zip [email protected] (72.9 KB, 73 views)
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Old 05-25-2008, 03:53 PM   #2
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how much power are you pushing?
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Old 05-25-2008, 04:04 PM   #3
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Aren't you running way lean for turbo?
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Old 05-25-2008, 08:50 PM   #4
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12.0 isn't lean for turbo. If looking at the logs in MLV, set the wideband for an NGK AFK.

Urban... no idea.
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Old 05-25-2008, 08:57 PM   #5
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man I really need to get to a track...autox, 1/4, road course, empty lot...i dont care.


no let's add a few pounds of boost and work on your 60ft times and see what it can really do.
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Old 05-25-2008, 09:02 PM   #6
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Edit: Nvm
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Old 05-26-2008, 10:02 AM   #7
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My experience is you'll want to run way lower tire pressure on street tires to improve your 60 foot. 35 psi is nice for wheelspin.

Frank
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Old 05-26-2008, 10:22 AM   #8
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Quote:
Originally Posted by fmowry View Post
My experience is you'll want to run way lower tire pressure on street tires to improve your 60 foot. 35 psi is nice for wheelspin.

Frank
Yah... but on the silly stretched tires (15x8 wheel and 195s...) I didn't want to risk ripping the bead loose. I doubt anyone had a Cheetah to blow the tire back onto the rim.

I wasn't trying for awesome times honestly, just getting it down the 1/4 in one piece was the goal.

Last weekends AutoX and this drag event... are just slow proofs to myself that everything is working as it should. Now I get to get around to finishing small stuff... adding more boost... and really beating on it.
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Old 05-27-2008, 06:40 PM   #9
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Here is my only clean run (1 out of 3) for a [email protected]
http://video.google.com/videoplay?do...48617741&hl=en

Here is the run that i managed to misshift 2nd and then 3rd...
http://video.google.com/videoplay?do...54406707&hl=en
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Old 05-27-2008, 09:50 PM   #10
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Quote:
Originally Posted by Braineack View Post
work on your 60ft times...
I think you'd be damn close to a 12sec quarter with tires and better driving. What does the car weigh now? mmmm... sounds good too

jeezus- what was that car in the other lane on the misshift vid- a plymouth fury?
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Old 05-27-2008, 10:04 PM   #11
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I have no idea, but it took its darn time with its burnout.

It was at an event called Street Car Chaos... and its basically a domestic racing battle.

But yah guys... I wasn't even bothering trying to get decent 60s. With the tire stuff and what not... it just wasn't worth it.

I'll go back for more fun times and more boost... and launch control... and full throttle shifting.

I'll also weigh the car at some point. Ideally it'll get corner weighted.
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Old 05-27-2008, 10:22 PM   #12
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What tranny and rear ratio?
What gear/rpm at the finish?
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Old 05-27-2008, 10:47 PM   #13
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4th and check the log for rpm.
stock 5spd and 01 lsd rearend... so....4.30? I can never remember.

edit: getting rpm now... i'm a nice guy
I don't know the exact time I passed the 'finish' line. I'd guess 7k?
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Old 05-27-2008, 11:38 PM   #14
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it was 7030 in your log when i looked.
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