You're not just kidding; even my 1973 factory stock teener (winter motor) with 4.30s and a 4bbl, smoked the the 275s. And not too bad with 3.55s and a 3.09 low either.And not too bad with a 2.74 low automatic 3.23s and a 2800. You can do a lot with TM in a streeter. Torque Multiplication.