Edelbrock Pro-Flo² EFI Systems

Features: Original Pro-Flo vs. Pro-Flo²

	Pro-Flo	Pro-Flo²
Flash-programmable ECU (no chip) has base calibration		X
ECU requires base calibration chip	X
Requires PC & included AC adapter for first-time base calibration selection	X	X
Semi-sequential injection (paired injector firing)	X
Full-sequential injection (individual injector firing)		X
Map-N (Speed Density) tuning strategy for fuel and spark requirements	X	X
Alpha-N (Speed Throttle) tuning strategy for fuel and spark requirements		X
Closed loop fuel control	X	X
Accepts one narrowband (included) or wideband O2 sensor	X	X
Includes 1-bar MAP sensor (accepts 2-bar or 3-bar)	X	X
Tune with handheld calibration module and store up to three base maps	X	X
4x6 fuel and 3x6 spark tables on calibration module	X	X
Real-time adjustments with module (or software once saved/cycled for ECU)	X	X
Tune with laptop and store unlimited calibrations		X
11x16 load and RPM tables on laptop/PC		X
2-wire pulse width idle motor	X	X
Adjustable rev limiter	X	X

Note: Original Pro-Flo is being replaced by Pro-Flo². Upgrade kits also available to convert existing Pro-Flo kits to PrPro-Flo² Specifications.