The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time. 

The Ford 390 big block debuted across the Ford and Mercury line in 1961. It was considered a high-output motor, and Ford made it available in notable vehicles such as the Thunderbird and the Police Interceptor. The initial models produced 330 horsepower and 427 lb-ft of torque, which was impressive at the time.