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Holley Carb
- Thread starter AirRanger
- Start date
Waterthunder
Well-known member
The part numer is on the airhorn. 4779 is a 750cfm a 4778 is a 700cfm a 4777 is a650 cfm and a 4780 is a 800cfm4781 is a 850 cfm all these numbers are for straight booster Double pumpers
Beau Bouillion
Member
Air Ranger, I had the Holly removed and re built off my boat. When we got it back I was shown where a plastic ring that was used to raise it up was causing the choke linkage to bind. On the install we ground out the area and it seems to be fine now. Also the gasket we used just barely fit under one of the corners. So far so good