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EFI System Feature Comparison

Many people have asked me to compare the three most popular EFI systems on the market.
BS3 posted one several years ago but it has not been updated.
Here's the current status as of November 2008

Product Comparison Matrix


Accel  DFI

FAST

Big Stuff 3

LSx Sequential Fuel and Spark that mates with stock sensors. Option Separate Module Required Option
Integrated support for 5.7 and 6.1 Hemi with COP. Not Available Separate Module Required Not Available
Offers entire systems with dual sync distributors, and all related parts Available Available Option
Integrated wastegate control Not Available Available Available
Integrated traction control Not Available Available Not Available
Integrated Transbrake control Not Available Available Not Available
Integrated EGR control Available Available Available
Remote tuning via the Internet Not Available Available Not Available
Programmable dwell control for Coil-on-Plug (COP) ignitions Not Available Not Available Option
Single Wide Band O2 (WBO2) control included as a base feature Option Available Available
Capable of Dual Wide Band O2 (WBO2) control Not Available Not Available Available
Internal Data Logging. No PC needed in the Car. Not Available Available Option
External logging option Not Available Available Available
Automatic transmission control Not Available Separate Module Required Separate Module Required
Sequential Fuel Injection included as a standard feature Available Available Available
Individual cylinder fuel & spark compensation with timing curve Available Available Available
Software configurable for GM HEI, Ford TFI, LT1, and IPU. Available Available Available
Configurable Load & RPM axes Available Available Available
Can drive 16 low impedance injectors Not Available Available Available
Injector phasing, at the start of the fuel injection event. Not Available Not Available Option
"Peak-&-hold" injector drivers Available Available Available
Supports Coil-On-Plug (COP) ignitions Not Available Separate Module Required Available
1 through 5 BAR MAP sensor capable Not Available Available Available
Programmable injector opening vs. battery voltage. Available Available Available
Fuel pump and engine cooling fan with ESC control Available Available Available
Staged fuel pump capabilities (start second fuel pump automatically) Not Available Available Available
CAN interface to RacePak Ultra Dash Not Available High speed CAN bus Option