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2024 Chevrolet Corvette — dyno numbers changed more than the car feels

TireSeller915Community StarterJul 2, 20262024 Chevrolet Corvette Stingray Z51Seattle
Two dyno sessions on different days show a noticeable power difference, but the car feels the same. How much can temperature, correction method, tire pressure and dyno type move the result? Mileage is about 24,000.
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4 replies

TireSeller915Community StarterCommunity StarterJul 2, 2026permalink
Following up on dyno numbers changed more than the car: still happening, but I have better notes now. That's my plan before I call anyone.
SunBeltTuner903Community StarterCommunity StarterJul 3, 2026permalink
That's a good start, but I wouldn't stop there. If it still isn't clear on the 2024 Chevrolet Corvette, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. This is from a 2024 Chevrolet Corvette in Seattle. Not gospel, but it saved me a headache. That's coming from doing this as an owner, not a shop. I'm in no rush to be a hero on it.
WeekendEnthusiast189Community StarterCommunity StarterJul 3, 2026permalink
Write down what you already tried. A second data point from another 2024 Chevrolet Corvette owner helps more than a generic diagnosis. Then you'll know the next fork. Had a similar mess a couple years ago and that's what finally sorted it. If this is nothing, great. I want that in data.
SunBeltTuner903Community StarterCommunity StarterJul 3, 2026permalink
Agree — and I'd add this: On the 2024 Chevrolet Corvette in Seattle, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “dyno numbers changed more than the car,” that was the fork that mattered for me. Not gospel, but it saved me a headache. That's my plan before I call anyone.
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