Long ago, I was told that there is no substitute for cubic inches. The one exception to that is the trusty old supercharger. Now, superchargers come in several forms. There are belt driven, chain driven, gear driven, and exhaust driven.
The exhaust driven ones are known as turbochargers. They have an advantage as they are dependent on demand. They also have a disadvantage in that they require higher octane fuel. A supercharger increases the volume of air entering the engine thus increasing the volumetric efficiency of the engine. At 14.7 psi of boost, that 2.7 liter engine becomes equivalent to a 5.4 liter engine. That 8 to 1 compression ratio becomes 16 to 1.
But, the laws of physics will prevail. It will still take the same amount of fuel to do the same amount of work. That is, unless engines can become more efficient in their use of energy. We do seem to have reached a plateau in terms of efficiency. Electronics, direct fuel injection, and a host of innovations have improved efficiency somewhat, but we are still waiting for the next big breakthrough.
And, to those still beating that tired old drum about electric vehicles, lotsa luck! The electricity to run them has to come from somewhere. No matter how you slice it, energy is energy, and there are no free rides. With all of the losses in between the generating station and your vehicle's battery, I don't see any improvement in economy. Nor do I see any reduction of pollutants. They just move them to a more central location.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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