TwinTurbo.NET: Nissan 300ZX forum - Finally made it into the 12's last night.
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Subject Finally made it into the 12's last night.
     
Posted by Wright (Ca) on August 15, 2010 at 3:22 PM
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Message I ran a 12.510 quarter mile last night at Sacramento Raceway. My previous best was 13.7

The changes I made since my previous best:
-26x10.5x16 ET streets (previously BFG g-force sport)
-WOT box launch control
-Nismo 740's, 300degree fuel rail and specialty z eeprom

I also swapped out my powertrix coilovers the morning of with a set of NA OEM springs coupled with KYB GR2 shocks.

Yay, they fit!

My launch control allows full throttle shifting but I decided to not use it this time since I had enough things to get used to.

I put 6 gallons of 100 octane gas in my empty tank on the way there and slowly raised boost all night while logging my air fuel ratio to be safe. Around 17psi I found that first through third gear were ok but in fourth I hit as high as 12.4

Here's a in car video of my run. My reaction time is way off and you will see why. However, I still managed to overtake the mustang that easily had three car lengths on me.

Next time I hope to have a custom dyno tune. Here's what my off the shelf tune looked like with 100 octane and 17psi. No egt sensor and user 1 is the output voltage of my apexi neo. (Keep in mind, I am using launch control which cuts spark at the start)

I had lots of fun and can't wait to do it again. Those tires are awesome!

Photobucket

Formerly: ZEVAN (Ca), Evan3zx(ca)
Xbox live GT: kidding Me

     
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