How many quarts of oil go in to the transmission a 1966 Ford Mustang 6 cylinder automatic?
The 1966 Ford Mustang 6-cylinder automatic transmission holds approximately 3 quarts of transmission fluid. However, it's always best to check your owner's manual for the exact specification, as there might be slight variations. Also, when performing a transmission fluid change, it's often recommended to slightly overfill and then check the level with the engine running and at operating temperature per the instructions in your owner's manual.