Schumacher headers 440 in 71 Duster

If its not about horsepower than why do you have a big block? Are you just compensating for something? That would make sense now.

When you own an original big block four speed car like my 69 383-s, you don't put in a small block. I already had the 440+6 from another car, so it was an easy decision. The car was fun in a straight line. Would have been a better car overall with a good running 340.