ez efi vacume requirements
EZ-EFI â Carb Replacement System Supports Stock To 650 HP Engines. With the EZ-EFIÂ® from FASTâ¢, You Donât Need A Laptop Or Tuning Experience â It Does The Work For You In the past, carburetor-to-EFI conversion was no picnic. At the very least, you needed a laptop and significant tuning experience.