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Old 12-08-2008, 11:27 PM #2216  
Galactus Galactus is offline
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Join Date: Oct 2008
Location: CA
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Galactus is infamous around these parts
Quote:
Originally Posted by JohnTurbo View Post
Actually our highest trap yet (129.5) came before we put the meth kit on the car. I've been dying to take it off the car but my mechanic insisted on it until we can get to a dyno a properly tune the car. (He wanted to make extra sure we avoided detonation.)

I can assure you, this meth kit IS robbing the car of torque.
Thanks for the info John. Just as I thought, without tuning the car on a dyno, you are using the Meth kit as a buffer to avoid detonation with a mailed in tune on your Cobb Accessport. This is seriously affecting your mid range and top end power. Keep us posted when you go to the dyno and get that GT-R tuned! I am sure your traps will go past 133mph easily with a good tune. It would be good to see a baseline dyno, and then what you ended up with just by actually tuning the ecu.