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How Carburetors Work Clean or rebuild it? Old carburetors seldom wear out. I know some mechanics would claim that a carburetor needed to be rebuilt when they really just needed to be cleaned. Back in the day, most older used carbs could just be cleaned out. But after 100,000 miles an awful lot of carburetors will need to be rebuilt. A mere cleaning will not help a carburetor with a worn nozzle or a leaky diaphragm on a slide. All gasoline engines need to burn fuel in order to operate. Yet actually the engine does not burn the liquid fuel, it only burns the vapor of the fuel. A modern fuel injection system handles this very efficiently. But for the first three-quarters of a century cars were powered by carburetors. Often collectors need to be their own mechanics. So the frustration with carburetors continues for the uninitiated. To many back yard mechanics, a carburetor might as well be rocket science. Yet, like all things mechanical, once you get to know them the simple carburetor is a thing of wonder. One of our favorite automotive archives is Second Chance Garage.com. They have an article on how carburetors work. In fact, they show you how to build a carburetor in this review. Click here to read the full workup on how to build a carburetor from scratch.     Place your FREE Parts Ads by clicking here

 

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