Norm Peterson
corner barstool sitter
The only Mustang that tops 4000 lbs that I know of is the GT500.I was thinking more like 2020 cars.
It took less than a minute to find this (the 2020 sits at 3705 lbs with 460 HP, do the math)
2020 Ford Mustang GT Coupe: Review, Trims, Specs, Price, New Interior Features, Exterior Design, and Specifications | CarBuzz
Quarter mile performance is a cube root function of weight and power. Meaning that looking at the differences in lbs/HP directly is the wrong approach. From your 3460/420 to the 2020 numbers (above) the ET difference amounts to less than a tenth of a second in the quarter mile. Which doesn't amount to squat on the street or in any other driving that's not being timed to the thousandth of a second.For sure in the rock paper scissors word, 3460/420 beats 3720/435 at 8 lbs per 1 HP. For 2020, I think they are closer to 4000lbs but I could be wrong. Even at 3760 you would need about 40 HP added to 420 to be even.
For street driving, you'd be better off using the weight to torque ratio or even the weight to displacement ratio. Try those.
Norm
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