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Story summary
- In a 1971 Motor Trend comparison of Ford Mustangs, the Boss 351 Mustang outperformed the 429 Cobra Jet.
- The Boss 351 Mustang reached 60 mph in 5.8 seconds; the 429 Cobra Jet did 6.5.
- The Boss 351 Mustang had a final-drive ratio and a four-speed manual; the 429 Cobra Jet used a three-speed automatic and air conditioning.
- As a result, the test results may not reflect the vehicles' true capabilities.
