Final ECU Flash Breakdown – Project Black Pearl (310 WHP @ 12 PSI)
📈 Performance Target
Horsepower (WHP): ~310 WHP
Boost: 12 PSI
Turbo: VF22 (conservative spool, high flow potential)
Octane: 91 or 93 (verified tune assumed for knock safety)
Tune Style: Conservative + Reliable, with margin for heat and knock
🔧 Tuning Configuration
🔹 Boost Control
Max Target Boost: 12 PSI
Boost Target Map: Smoothed mid-range tapering off near redline
Wastegate Duty Cycle (WGDC):
Tuned for moderate response; adjusted to avoid overboost
WGDC maps adjusted to spool VF22 efficiently while keeping EGT safe
🔹 Fueling
Primary Open Loop Fueling Table:
WOT AFR: 11.2–11.5:1
Cruising AFR: Leaned for economy
Injectors: STI Pink (565cc) or 600–700cc injectors
Fuel Pump: Walbro 255 LPH
🔹 Ignition Timing
Base Timing Map:
Advanced mildly for throttle response (+1°–2° mid-range)
Conservative ignition under load to protect engine from knock
Knock Control Settings:
Max Retard: -7.03°
Advance Multiplier: 5 (boosted response)
🔹 Idle + Throttle
Idle RPM: ~825–875 for smoother operation
Throttle Tip-In: Calibrated for linear boost transition
🧰 Key Supporting Mods
Component Description
Intercooler Large top-mount (aftermarket, verified)
Turbo Inlet Hose Upgraded silicone inlet
Cold Air Intake 3″ short ram (non-branded)
Exhaust Blitz Nur Spec catback
Clutch Stage 1
Fuel System STI injectors or 700cc + Walbro 255
Engine Internals Fully rebuilt engine
Tactrix + RomRaider Flashing + logging setup
🛡️ Safety + Monitoring
Knock Control:
Mild thresholds with fast recovery
EGT / AFR Monitoring:
AFR tuned safely under all load conditions
Temperature Concerns:
VF22 and 12 PSI offers conservative temps; Mishimoto rad or Cylinder 4 cooling mod optional
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4350 S Arville St Suite 100, Las Vegas, NV 89103
