Tuning sim 1/4 mile v11
Tuning sim 1/4 mile v11
JD Tuning – Dyno Fixed Boost + Drag Boost Control + Slip Ratio
Live Engine Data IDLE
RPM
Engine speed
900
Boost (psi)
Actual (Dyno)
0.0
Dyno Boost Target
Fixed target
0.0
WG Duty (%)
Bias + controller
0
AFR
Wideband
14.7
Timing (°)
Effective
12
IAT (°F)
Heat soak
90
Coolant (°F)
Temp safety
180
Gear: 1
Traction: 100%
Slip: 0%
Knock: 0
KR: 0.0°
AFR: OK
IAT: OK
Dyno traction is log-only (no power cut). Track traction is separate and affects the 1/4-mile sim with slip ratio.
Tuning Timing → Fuel → Boost-vs-Time (Drag)
Ignition Map (°)
Cell: —
Effective timing = commanded - KR.
Fuel Map (Trim)
Cell: —
Fuel trim: higher = richer. Range: -5 to +5.
Boost vs Time (psi) – Drag Only
Time: —
Drag uses closed-loop boost control: actual boost chases target (lag/overshoot depends on aggressiveness).
Dyno Graph
Peak: —
Datalog
AFR / Boost / DynoTarget / WG / Ign / KR / Traction% / Gear
Drag + Setup FWD
Track + VehicleLight realism
Uses last dyno WHP + boost ramp target. Computes gears + shifts + slip ratio and logs it below.
60’
—
Best ~1.37, avg ~1.44, bad ~1.70
330’
—
Split
1/8 ET
—
Time
1/8 MPH
—
Speed
1/4 ET
—
Time
1/4 MPH
—
Speed
Drag log: Slip % and Traction % vs time (shows where it spins)
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