1968 '340' Barracuda vs 1968 '383' Road Runner
Turbo-Man,
Not saying it couldn't be done, but they were rare and few.
Plymouth Magazine Advertisement Performance Test below,
Ronnie Sox ran a 14.01 @ 101.26 MPH with a '383' Road Runner 4-Speed w/3.91 Gears.
And Jerry Gross (Chrysler Racing Tech.) ran a 14.26 @ 100.22 MPH in the same
car.
Their Road Runner was equipped with a 'Hurst Shifter' and 'Dual-Point Distributor'.