Get Naturally Aspirated Meaning Car US. We'll answer that as well. An engine with a (carb) is one of the oldest an the poorest system you can have and the reason why is you have an automatic choke that if not set right they will run very poor in colder weather and be very hard on gas.
Handily, as naturally aspirated engines chased torque, as a good rule of thumb along came improved efficiency.
Many sports cars specifically use naturally aspirated engines to avoid turbo lag. Naturally aspirated means it intakes atmospheric air at ambient pressure to support its combustion cycle. A naturally aspirated engine is an internal combustion engine in which the air intake relies solely on atmospheric pressure, which is the exact opposite of the force induction turbocharged engines use. See rb25, naturally aspirated, turbo, supercharger, car.