Match Race 1972 ~ 'Road Runner/GTX 440' vs. 'Buick GS 455'
No,
In 1972, the 440 'U-Code' High Performance Engine came through with a Holley H-4-4160 Series.
Primary......... 1.563" {1 9/16"} ~ Venturi 1.250"
Secondary .... 1.750" {1 3/4"} ~ Venturi 1.563"
The Holley #H-4-4160 was Rated at 670 CFM's.
The 440/290 HP with the 'Fresh Air Package' utilized a;
* #6254 {Manual}
* #6255 {Automatic}
The 440/280 HP High Performance Engine utilized a;
* #6252 {Manual}
* #6253 {Automatic}
Was not aware that they were still using a Holley for that application.
Learning something new everyday.