Ford Alphabet Cam Specs: E303 vs. B303 vs. F303 vs. X303
Ford’s famous Alphabet Cams (a.k.a. Letter Cams) have been around for decades and are often the go-to choice for Mustang owners looking for more performance from their 5.0L engine. Ford Performance designed these cams for the 1985-and-up 5.0L/302 roller cam engines with 1.6 ratio rockers. On engines running electronic fuel injection (EFI), these camshafts are only
The Top 10 American Performance Engines of the Last 30 Years (#5): Ford EFI 5.0L H.O.
Editor’s note: The 1980s was a transition period for engine technology in America. The iconic carburetor gave way to fuel injection. Cubic inches were out, and liter designations marked a new era for engines — one when power and fuel economy were no longer mutually exclusive. This modern engine age has featured some of the best innovation, technology, and performance




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