When it comes to motorheads and their love of cars, there is one factor usually used to judge vehicles over all others – power. And by power, we mean the engine that is under the hood. The bigger, tougher, and more powerful the engine, the more valuable a car is in the minds of many gearheads. We’re talking stock horsepower here, not cars that can win street races with many after-market modifications, or out-of-this-world rocket…