1968 '340' Barracuda vs 1968 '383' Road Runner
My Dad's cousin had bought a new 1969 340 Swinger, with 3.91 gear & 4-speed.
He ran it in Pure stock at Lions & ran a best of 13.80. He was a very good 4-speed driver.
He is responsible for getting me hooked on Mopars in my youth.