While the 351 Cleveland V8 engine was out of our 1970 Ford Mustang Fastback Mach 1 "M-Code" 351 we decided to have it engine dyno tested. Check it out! 400HP! Follow us on social media! Website: http://www.msclassiccars.com Facebook: / msclassiccars Twitter: / ms_classic_cars Instagram: / msclassiccars