Remember, back in 1969
Stock Class was limited to 7" Width Slicks.
Here is what I have in my old Magazines.
Stock Engines and Factory Installed Gears
Road Runner 440 '6-Barrel' - 4.10 Gears - w/Automatic and 7" Slicks x 29" Tall, on 15" x 7" Rims.
* 13.48 @ 106.67 MPH
440 'Cuda - 3.91 Gears - w/Automatic and 7" Slicks x 28" Tall, on 14" x 6" Rims
* 13.49 @ 105.92 MPH