Like, you see cars like ferrari making absurd power figures with small block engines, like a 4 liter making 800hp. Is it just a cost thing that they would rather use a 10 liter? It makes the same power, and thanks to the transmission it’ll get the same torque at the wheel.
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It’s a matter of how much power you need at which rate for the load you’re trying to move. A big engine from a truck has loads of power, bit since it’s huge, it delivers it at a low rate. A small engine in a car has less power, but delivers it at a high rate. Both of these scenario’s end up with the same horsepower, but a different application. A car doesn’t weigh much (in comparison to a truck) so doesn’t need a lot of power, so a small engine will suffice. A truck weighs a lot, so it needs more power and thus a big engine.
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