Ford Mustang 1967 Fastback A-code 289

A one-letter engine code hides a lot of history on a 1967 Mustang Fastback, and this one marks a specific V8 out of several very different options Ford offered that year. 1967 was also the first time Ford meaningfully redesigned the Mustang since its debut, and the fastback body benefited most from the wider, longer new shape. Buyers who chose this engine got a car capable of 0-60 in about 7.3 seconds, genuinely quick for anything sold to consumers in 1967. Here’s what the A-code actually got you.

Beautiful Stang!!

The “A” in A-code doesn’t stand for anything glamorous, it’s just an engine code buried in a VIN, but on a 1967 Mustang Fastback it quietly tells you which engine ended up under the hood out of several very different options Ford offered that year. 1967 wasn’t just another model year for the Mustang, either; it was the first time Ford substantially reshaped the car since its debut three years earlier, and the fastback body style benefited the most from the redesign. Buyers cross-shopping the engine bay that year could walk away with anywhere from a mild six-cylinder to a genuine performance V8, and the difference between them was enormous. What did Ford actually put under the hood of a Fastback wearing this particular code?

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What the A-Code Actually Means

The A-code designates a 289-cubic-inch V8 running through an Autolite 4300-A four-barrel carburetor with an automatic choke, rated at 225 horsepower at 4,800 rpm, the mid-tier of the 289’s engine family that ranged from a mild 200-horsepower two-barrel up to the rare 271-horsepower Hi-Po K-code with its Special Handling Package.

The Fastback’s Breakout Year

1967 marked the first major restyle since the Mustang’s 1964 debut, with everything wider and longer than before, and the fastback 2+2 body benefited most from the new proportions, with sales climbing to 71,042 units. A Fastback riding on a 108-inch wheelbase and weighing 2,637 lbs with a 289 under the hood could run 0-60 mph in around 7.3 seconds and the quarter mile in 15.2 seconds at 91 mph, genuinely quick numbers for anything sold to consumers in 1967.

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