According to many who have tried it, Ford's 6-cylinder engines can be beefed up to rival the 289 or 302 V8 in performance.
A lot of the power enhancements come from Australia and South America, where interest in the 6-cylinder Ford Falcon (the platform from which the Mustang emerged) remains high.
Here are some websites with additional information:
Clifford Performance, a company that specializes in 6-cylinder performance, has a website at www.cliffordperformance.com
And, there are several non-commercial websites devoted to the subject:
submitted by a65ragtop
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