SHELBY GT-40 ULTIMATE Member
Joined: Feb 2007
Both of those covers will work, but if they're not specified for use with EFI, you'll have small problems.
#1, they won't fit under the stock intake unless you use a spacer. The throttle linkage will contact the passenger side cover.
#2, you'll have to figure out an oil fill system, they have PCV holes ready in both and the driver's side will have the upper intake over it and the passenger side will have the throttle cables over it.
The reason I said that is because many don't realize the difference between EFI covers and carbureted covers. Plus with as many Ford Racing covers there are, I'm not sure which ones you're talking about.
The Canton covers should work, they might need some slight clearancing around the center bolt recess. It'll be right between two rockers and they might slightly touch. The rockers being 1.72 and not 1.7 won't be enough of a difference in terms of valve cover to rocker clearance.
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