The Modern Engine

25 09 2012

Whether an SUV’s powerful V8 or a sedan’s slim Inline 4, all engines are built for a specific purpose. Though each type of vehicle seems to have the same 4-stroke principle design engine, each model and year has a slightly different, performance-altering engine.

Thanks to modern technology and the most recent EPA emissions standards, there have been a few changes under the hood. Here are the four most notable points:

An Engine Control Module – your engine’s “brains.”

1. Computers have become the standard for engine control, which translates into better fuel control accuracy and higher power output.

2. Tolerances (the spaces between a piston and the cylinder wall) have been tightened, piston weights have changed, and the shape of the combustion chambers have been altered.

This, again, has helped produce higher power output, and always contributes to lowered emissions.

Different types of fuel injectors.

3. Direct fuel-injection systems are now favored over carburetors and other injection systems. With more precise control of fuel, your engine burns cleaner and more efficiently.

4.  Distributor-less ignition systems mean you have a more efficient system without the added hassle of an ignition distributor system.

Not only do these changes make modern vehicles more fuel-efficient and powerful, they also make your vehicle easier to service. By using computers to control the engine’s parts, error codes now point to specific errors instead of the entire system.

What this means to you is savings – saving money on regular maintenance and other required services.

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