What is different about marine carburetors?

The difference is in the bowl vent tube style. The marine carb has a J shaped vent tube. In the case of a float system malfunction where fuel is forced through the carb and out the bowl vent by the fuel pump, the fuel is directed back into the carburetor.

Will a marine carb work on a car?

If you don’t have an air-cooled engine, then a marine carburetor is the perfect option for your car. It can provide increased performance and fuel economy while also being cheaper than other models on the market.

What does quadrajet mean?

The Quadrajet is a four barrel carburetor, made by the Rochester Products Division of General Motors. Its first application was the new-for-1965 Chevy 396ci engine.

When did the quadrajet come out?

1965
First released by Rochester in 1965 and used extensively in GM cars from late 1967 on, The Quadrajet was the evolution of the earlier Rochester 4GC carburetor; however, it also incorporated ideas from the other manufacturers, such as the spread-bore design and vacuum secondaries.

Can I use a regular carburetor on a boat?

Carburetors are carburetors, but only marine carburetors should be used on boats. It’s true that marine carburetors started life as regular automotive carburetors but then each took divergent paths. Marine carburetors have certain modifications that make them uniquely adaptable and legal for marine usage.

What cfm carb do I need for a 350?

A 600-cfm carburetor may perform quite well on a stock 350 Chevy. However, the minute you start weaving in power adders like a hotter cam, a dual-plane performance intake manifold, and aluminum heads you’re going to need 700-750 cfm.

What happens if boat motor is too high?

If it’s too high, the propeller tends to ventilate, losing its bite on the water and blowing out while turning and in steep seas. “If the prop consistently ventilates when heading down a steep wave, the outboard is probably set too high,” says Dean Corbisier, advertising and public relations manager for Suzuki Marine.

How much horsepower will a 650 cfm carb support?

450-470 hp
So, using your Google-Fu you type “How much power can a 650 cfm carb support?” Well, chances are that you’ll get answers in the 450-470 hp range, but that’s not really the right way to look at it. In fact, horsepower—or even torque, for that matter—doesn’t matter at all.