Originally Posted by Motion Lab

Option 1 seems like the better deal, but I always look at experience not price when it comes to tuning. Bad tuning, especially VVEL which can cause a catastrophic failure if pushed too far in one direction, can cause major issues short term and long term on your Z.

Also when you have a loaded dyno you can simulate driving down the road. I dont understand why you say you can only tune open loop fuel tables on the dyno?

Thanks,
Alex Goodwin
AlexG@motionlabtuning.com