Nissan 370Z Forum - Motion Lab Tuned 370z 487whp/465wtq on 93OCT with the Boosted Performance 6266 kit!

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- - Motion Lab Tuned 370z 487whp/465wtq on 93OCT with the Boosted Performance 6266 kit! (http://www.the370z.com/tuning/86378-motion-lab-tuned-370z-487whp-465wtq-93oct-boosted-performance-6266-kit.html)

Quote:

Originally Posted by jwick (Post 3035712)

How did you lose that much torque across the entire band?

Lower boost pressure (8PSI versus 10.5PSI spike in the midrange) and we had an issue with the strain gauge on the dyno that was corrected. The chassis where the strain gauge was fastened to would actually flex and effect the torque output that was graphed due to the deflection. We drilled through the chassis and added an anchor in the concrete to alleviate the flex which rectified the issue.

As you can see the torque curve looks much more traditional now as well.

Thanks,
Alex Goodwin
AlexG@motionlabtuning.com

The torque appears to come on later than what I'm used to seeing with a single turbo setup. I assume you pulled a bunch of timing down low.

Quote:

Originally Posted by jwick (Post 3035761)

The torque appears to come on later than what I'm used to seeing with a single turbo setup. I assume you pulled a bunch of timing down low.

Nope, just took what the car wanted to give us! Ignition timing is optimized for the current boost level.

Thanks,
Alex Goodwin
AlexG@motionlabtuning.com