Posts Tagged: Rev hang

Rev hang

Rev hang — what is it and why do carmakers use it? Rev hang is used on a late model vehicles and is a purposeful delay in engine RPM drop when you release the gas pedal. Instead of the RPMs dropping dramatically, they slowly drop. How does rev hang affect your shifting in a manual transmission? In older vehicles without rev hang software installed on the ECM, you push in the clutch, back off the gas slightly but keep RPMs somewhat high so you don’t have to bring the engine … Read More