'1967 Holiday Race' ~ Plymouth GTX 440 vs. Pontiac GTO 400 'Ram Air'

In the article it states 1966 NHRA rules.

That Would Be Correct

The 'Early Production' Dodge R/T 440's were only available with a 727 Torque-Flite.

The 4-Speeds were not available until January 1967.

I Did Not Know That.