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Old 03-23-2003, 03:17 PM   #1
Scooby Specialist
Member#: 19214
Join Date: May 2002
Chapter/Region: Tri-State
Location: near Philly
'07 STI
in the slow lane

Question Anyone using/used kaaz gears

What ratio? How much power you running? How would you rate them for the 1/4 mile or auto-x? What's the max speed in each gear? What rpm for 75 mph in 5th? Durability?

I have an 02 WRX with an SR30 and fmic (plus STi injectors and a Walbro). A daily driver, it's shooting for 12's in the 1/4 but will see much more time in local auto-x.

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Old 03-25-2003, 05:26 PM   #2
Scooby Guru
Member#: 8343
Join Date: Jul 2001
Chapter/Region: MWSOC
Location: Atlanta, GA
2005 2012 Jeep
2013 DGM BRZ


I was in contact with one of the Aussie guys on this board regarding the gearset and he was very pleased with it. I was looking into getting it a few months ago but decided to go with a 6-speed instead. Mike Shields at SPD Tuning is using the Kaaz gearset as well. Here are the ratios:

1st: 3.167
2nd: 2.267
3rd: 1.667
4th: 1.250
5th: 0.964

As you can see, it's really short 2-5. Basically drive your car around as if 4th gear was the last gear and that's how it will be. First is a little longer than 1st in the WRX.

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Old 03-25-2003, 05:34 PM   #3
Scooby Specialist
Member#: 15194
Join Date: Feb 2002
Chapter/Region: Tri-State
Location: 1^2 Mile, NJ
2004 Lightning,
2001 BMW 330ci


If you are pumping out 293whp @16psi (very impressive I might add), you are well into the 12's.
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