EZ-EFI Fuel Injection System - Fueling The Fire

We Put FAST's New EZ-EFI Fuel Injection System To The Test.

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Purely out of curiosity, we decided to also try a bigger carb on the engine. In this case the 1,000 cfm Holley HP that was on the engine when we bolted it to the dyno. It put down 531 lbs-ft at 3,900 rpm and 516 hp at 5,600 rpm. About the same torque as the EFI system, but 20 more peak horsepower. The down side would be that the 1,000 cfm carb sucks fuel like it's going out of style compared to the EZ-EFI.

There's also a chance that over time, with more WOT "driving," the adaptive learning function would further fine tune the EFI system and raise our peak numbers a bit, but most likely not up to the numbers put down by the monster Holley carb. But for a street car that spends most of its life under 5,000 rpm, the EZ-EFI system offers performance on par with a traditional carb with drivability that the carburetor can't come close to. Best of all, it really was easy to install.

Sucp_1001_22 Ez_efi_fuel_injection_system Graph_chart 2/20

Sources

Westech Performance Group
Mira Loma, CA
951-685-4767
WestechPerformance.com

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