340 Chugging instead of Reving

TT5.9mag said

Have the box checked out. A few degrees of retard from a. Box is normal. 14 degrees is not normal. I think you have a faulty box.

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I going to send it out in the morning. It's at least another verification and piece of mind of what's good or bad. The $100 for repair plus shipping is probably money well spent.