It's my understanding rev hang is about emissions. https://www.roadandtrack.com/new-cars/car-technology/a32958665/the-annoying-rev-hang-in-modern-manual-cars-i

It's my understanding rev hang is about emissions. https://www.roadandtrack.com/new-cars/car-technology/a32958665/the-annoying-rev-hang-in-modern-manual-cars-is-there-for-a-reason/ https://www.roadandtrack.com/new-cars/car-technology/a329586...