Final Dyno Tuning and Driveshaft Failure
8:30
40:38
773.3K views
At 8:30 in
What Happens If You Turbo a 5.3L Yukon With No Other Mods? Lets Find Out! (Uncle Rob Hits the Dyno)
What happens here
With the upgraded fuel system installed, the team returns to the dynamometer. They perform several dyno pulls, making real-time tuning adjustments to optimize fuel delivery and ignition timing. After a few runs, the vehicle puts down an impressive 630 horsepower and 800 lb-ft of torque. However, the driveshaft unexpectedly snaps, ending the dyno session prematurely.
Goal: Optimize engine tuning and achieve target horsepower, while addressing unexpected failures.
Tools and materials
- Dynojet Dynamometer Dynojet — Measuring horsepower and torque
- GMC Yukon GMC — Vehicle undergoing tuning
- Laptop with Tuning Software Dell — Making real-time adjustments to the ECU tune
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What they say
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