AI Crew Chief

Your data.
Your edge.

NineSlip is the AI crew chief for grassroots drag racing. Log runs in 30 seconds, auto-capture weather, and let data tell you what to change next.

⚡ Log Your First Run See how it works
.012
Reaction
2,847
Density Alt
9.42
ET Predict
142.3
Trap MPH
Capabilities

What your crew chief sees

⏱

30-Second Entry

Mobile-first run logging. ET, reaction, 60-ft, trap speed — thumb-friendly at the track.

Live
🌡

Density Altitude, Live

Auto-fetch temp, humidity, baro. Density altitude calculated on every entry. No manual weather stations.

Live
📊

Pattern Recognition

Find what the timeslip doesn't show. Correlate weather, track conditions, and tuning to surface your fast combo.

Coming Soon
🔧

What to Change Next

AI-driven tuning suggestions based on your data, current conditions, and what's worked before.

Coming Soon
Example Output

What the data says

$ nineslip analyze --last 8

Session: Saturday Night Drags — Thunder Valley
Runs logged: 8 | DA range: 2,400–3,100 ft

Best ET: 9.32 @ 142.8 mph (DA 2,410)
Worst ET: 9.71 @ 138.2 mph (DA 3,080)

⚡ Pattern detected:
60-ft improves 0.04s when DA drops below 2,600.
Trap speed correlates -0.6 mph per 100 ft DA.

Recommendation:
Pull 2° timing, lean 1 jet size for DA > 2,800.
Current conditions favor a 9.38–9.45 pass.

The no-prep crowd deserves better than paper and gut feel

Start logging runs. NineSlip handles the rest.

⚡ Start Logging Runs