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Location: Home » Catalog » Dual 40mm Solex » Technical Information

Technical Information

    Solex 40mm dual carburetor kit is designed specifically for the VW air cooled engine that gives more horsepower per dollar than any other single item you can use. No loss of reliability. Good for sedans, busses or dune buggies. You can go up hills without shifting. Pulls good from idle to 5,500 RPM. Stock engines get 25% HP increase when teamed with our extractor exhaust, quiet muffler and 009 distributor. This is due to increased volumetric efficiency, which allows the engine to breathe more air, increases horsepower and cools better. A test dual port 1800cc engine with these carbs, GB 297 cam, GB 622 distributor, GB 856 heads, and our extractor exhaust produced 90 HP on our dyno and had an incredible power curve that provided strong running from 1,500 up to 5,500 RPM.
    No single carburetor installation can distribute fuel evenly to all cylinders, some cylinders run hotter than others. Dual carburetors help to eliminate this problem and equalize these temperatures. This means longer engine life. Dual carburetors should not affect your mileage. At constant highway speeds, with proper jetting, gas mileage will be the same or better than stock through higher volumetric efficiency. If you insist on flat out acceleration through the gears you will decrease the fuel economy. The more power you use the more fuel you burn.


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