hey all would love some help googles not helping !
I have a 1994 280 express with twin v6 volvo penta 4.3 litre engines
It currently has 2 4 barrel holly carbs i do not believe these are stock does anyone know what the stock carbs are
Or why would these be installed just seems to be using to much fuel
Thanks in advance
1994 cover 280 express
- Plumberdale
- Scurvy Dog

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- tomschauer
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Re: 1994 cover 280 express
It is possible they are original. I would check into it and be sure they are marine carbs with the proper venting to prevent fire / explosion. That being said, if it is tuned properly with fresh oil, clean spark arrestor, good plugs, correct timing etc. Another brand carb will not make any significant change in fuel consumption.
- SplashyLady
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Re: 1994 cover 280 express
The 4.3 V-6 came with both 2 bbl and 4 bbl carbs, depending on model. The 4bbl was a 600 CFM Holley. If it's painted red, it's likely original. If it's silver or not painted, it could be a replacement.
https://i.ebayimg.com/images/g/2QsAAOSw ... s-l640.jpg
https://images.holley.com/583x/0-80492.jpg
Hope this helps!
https://i.ebayimg.com/images/g/2QsAAOSw ... s-l640.jpg
https://images.holley.com/583x/0-80492.jpg
Hope this helps!
Captain John
Past Commodore, Peninsula Yacht Club
Lake Norman, NC
Carver 3227 - "Splashy Lady"
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Past Commodore, Peninsula Yacht Club
Lake Norman, NC
Carver 3227 - "Splashy Lady"
Aquasport 222CCP - "Gone Fission"
- mjk1040
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Re: 1994 cover 280 express
IMO Holleys are over jetted, and good carb guy will rejet and adjust them for max fuel and power efficiency! 

Mike
I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
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I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
- Plumberdale
- Scurvy Dog

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Twin v6 volvo - Location: Vancouver
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