Experience the best of Android Auto Vehicles with PerfExpert - Car Dyno HP Test! Developed by perfexpert, this innovative Auto Vehicles Apps offers a seamless and engaging experience for users of all ages. PerfExpert - Car Dyno HP Test offers a seamless experience for users running Android 4.4 and up and up. The latest version for PerfExpert - Car Dyno HP Test is 2.4.3.

What is PerfExpert - Car Dyno HP Test?

Know your car's true performance.

Turn your smartphone into a professional dyno. Measure real horsepower, torque, and acceleration times — within 2% of a chassis dynamometer. No OBD adapter, no cables, no expensive dyno sessions. Just mount your phone, accelerate, and get instant results.

Test and compare performance upgrades. Whether you're verifying an ECU remap, testing a new exhaust, or tracking the effect of a chiptuning session, PerfExpert gives you objective, independent data you can trust.

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HOW IT WORKS

1️⃣ Create your car profile
Enter your vehicle's weight, tire sizes, and gear ratios. Not sure about a spec? The app guides you through every step.

2️⃣ Mount your phone & accelerate
Secure your phone in the car — no connection needed. Find a flat, straight road. Accelerate in one gear from low RPM to redline. That's it.

3️⃣ Get instant results
Power and torque curves appear immediately, just like on a real chassis dynamometer. Compare runs, track your modifications, and share results.

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MEASUREMENT MODES

Dyno — Full power & torque curves vs. engine RPM. Advanced drivetrain loss model, rev limiter detection, and correction standards (DIN, SAE, JIS, CEE, ISO). Results as detailed as a professional chassis dyno.

Timed Run — Measure acceleration from a standing start. Speed intervals: 0-100, 100-200, 80-180, 60-160 km/h — 0-60, 60-120, 50-110, 40-100 mph. Distance: quarter mile, eighth mile (with trap speed), 60 ft. Max speed and peak acceleration on every run.

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KEY FEATURES

- 2% accuracy compared to professional chassis dynamometers
- No OBD adapter or connection to your car required
- Works with your phone's built-in sensors
- External GPS available as an in-app option for pro-level precision: RaceBox Mini, Mini S, Micro (rolling start dyno, slope correction, free phone mounting)
- Power correction norms: DIN, SAE, JIS, CEE, ISO — using real-time atmospheric pressure, temperature, and humidity
- Interactive charts: pinch to zoom, tap for exact values
- Export results as PNG image, data file, or shareable web link
- Custom units: HP, CV, kW for power — Nm, ft·lb, mkg for torque — km/h, mph for speed
- Works on phones and tablets

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WHO USES PERFEXPERT?

- Car enthusiasts who want to know their real HP and torque
- Tuners & mechanics verifying ECU remaps, chiptuning, intake, exhaust, or turbo upgrades
- Owners comparing before/after results of any modification
- Drivers timing their 0-60 mph or 0-100 km/h acceleration
- Anyone curious about their car's true performance

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IMPORTANT NOTES

- Dyno mode requires a manual gearbox or an automatic with manual/sequential mode
- For best results, use a flat, straight, horizontal road with no traffic
- External GPS (available as an in-app option) unlocks additional features: rolling start dyno (no need to stop before measuring), automatic slope correction, and free phone orientation

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Sample dyno and acceleration reports:
https://app.perfexpert-app.com/results/featured

FAQ:
https://www.perfexpert-app.com/faq

Join the PerfExpert community:
https://www.facebook.com/groups/perfexpert/

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