Ford 272 C.I. runs low 11's. Why do Mopar guys need 408's?

pittsburghracer said

Technically when you are that slow you aren’t allowed to run boxes and transbrakes. Zing!!!

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there are fast cars racing footbrake/no box. You betcha. But if you are racing and others can and are using box/button brakes, you really can't compete unless you have them also.