Explaining a car on Instagram: "Follow (us) @ExplainingACar to learn something NEW about vehicles every day 🚗💫 Without a fuel return line, a V8 engine’s fuel system becomes a closed-loop setup — meaning all the fuel pumped toward the injectors must be precisely metered with no excess returning to the tank. In high-output V8s, especially under hard acceleration, this can lead to massive fuel consumption as the pump constantly feeds high pressure to keep the engine supplied. Without a return lin
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