Re: 1956 Packard (maybe 1955?) questions

Posted by Eric Boyle On 2010/1/13 11:40:59

On most of the systems I've looked at, the fuel is controlled by the speed of the engine, and the speed of the engine is controlled by the throttle body.

Think of it this way, when you accelerate your engine, the rotor inside the distributor turns faster. A fuel distributor that's driven off the cam is exactly the same way, more speed equals more fuel pressure, and therefore, more fuel. A Bosch mechanical fuel injector operates off of pressure, more pressure=more flow. Once you get to looking at it, it's a stupidly simple system, and makes a carburetor look complicated.