Answers.... posted by Greg D. (Specialty-Z) on May 06, 2014 at 05:38 PM
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I did the balance adjustment on the driver's side TB and you're right it made a huge difference on performance. I've got the Z1 TBs but I'm not sure why it was so far out of spec. Before the car would rev lazily even when you mash the throttle and the last 1/4 of the throttle would be like an on and off switch. Now it just pulls hard all the way through.