Mopar fans know the brand made plenty of impressive engines in the 1960s, but this big-block V8 is the rarest of the time.

The engine she had ready to go was a mildly built Mopar 440 that would be paired with a 727 Torqueflite transmission. Then, after deciding on Sassy Grass Green with strobe stripes, she was almost ...

Again, Mother Mopar followed suit and offered the factory-official, M-code, 440-powered ... tricks of the day. A 727 TorqueFlite three-speed automatic was the only transmission offered with ...

The 440 Six Pack and 6-BBL was such a raging success in 1969, that it spread faster than a Mopar equipped with one could win a red light challenge. In 1970, Dodge expanded the Sick Pack to the ...

Or the professional tune, which should allow the next owner to unleash the proverbial Mopar power along with ... or the rebuilt TorqueFlite three-speed transmission with a 3500-stall converter.

The Mopar 440-cubic-inch V8 belongs to Chrysler's RB engine line with roots traced back to the original 383-cubic-inch big block, which came out in 1959. However, the RB lineage traces back to the ...