3310 is 780cfmnorthey said:3310 is a vs 750
Ph 3 had a 780 vac sec
gt had ford's own carbs
Correct. Also the 3310 has a secondary metering block, like a double pumper. The 3310-2 has a secondary metering plate.xrglen said:3310 is 780cfm
3310-2 and so on are 750cfm carbs
this carb has down leg boosters being 780
750 had straight leg boosters.
Part No D0ZF-9510-Zjg66me said:Correct. Also the 3310 has a secondary metering block, like a double pumper. The 3310-2 has a secondary metering plate.
There should be a Ford part number on a GTHO Holley, I can check it tonight but it was somthing like D1ZZ-. The Ford OEM Holley carb is derived from the 3310.
Steve