Originally Posted by JesseT
The cover looks like standard US Escort CVH part. No wonder the carbs made more power. They will flow a lot more air than the small EFI manifold.
thats why ive designed a airbox with a 70mm throttle that will fit to the bottom half of the efi manifold with trumpets and feed from the side
i think the restricted 50mm inlet is causing my surge problems under load in 4th and 5th gears