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
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Product Comparison Matrix |
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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 |