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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Posted by Venomous Tuning on Aug 12th 2026
SHELBY GT500 DIAGNOSIS, CODES AND TROUBLESHOOTING
The Dangers of Self Diagnosis and/or Presumed Cures Based on Internet Lore. "The car's really rich, maybe I need to change the plugs" First of all, what makes you think it's rich? Under what conditions? If it's carbon on exhaust tips, so look at any EcoBoost vehicle. It's not a proper indicator of a rich operating condition. If you…
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Posted by VENOMOUS TUNING on Aug 6th 2022
WHY "CANNED" TUNES ARE DANGEROUS!
We had the opportunity to remote custom tune a 2007 GT500 this week. It didn't go as planned! If you own a GT500 (or any other vehicle) that you want to mod and have tuned, this is an important, detailed story that you need to read. Let's examine:As we peek into the garage at our own 2007, Christine, it's hard to believe s…
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Posted by VENOMOUS TUNING on Jun 27th 2022
Who's The Best GT500 Tuner?
It's a question that's posed a few times a week on social media pages. When it comes to "who's the best GT500 tuner?" the answer is far from cut and dried. The answer will be whichever one best suits your personal needs. For example, if you're new to the GT500 game and think you want more power, a tune is just part of the…
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