Posted by Venomous Tuning on Aug 18th 2026
Do I Need Wideband Air Fuel and a Dyno to Tune My Shelby GT500?
Why We Insist on a Dyno for Remote WOT Tuning (And What a Broken Gauge Reminded Me About Bad Data) I glanced at my own wideband gauge one day. A couple of dead LED segments turned what should've read as an air/fuel number into "IOU." Kind of funny. Except it's actually the whole point of this post: get your air/fuel data wrong on a superc…
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