'Match Race 1969' 440 'Cuda vs 440 'Six-Barrel' Road Runner

NHRA Horsepower Changes for 'Stock Class'
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The 'M-Code' 440 'Cuda was rated at 375 HP.

But later, the Horsepower was factored down by the NHRA to 356 HP.

The 'A-12' 440 Six-Barrel was rated at 390 HP.

But later, the Horsepower was factored up by the NHRA up to 410 HP