1970 Ford Mustang Engine: 5.8L V8;EngineVersion: Cleveland; Position: Pump To Block;. 1973 Ford Mustang Engine: 5.8L V8;EngineVersion: Cleveland Cobra Jet; Position: Pump To Block;. 1971 Ford Mustang Engine: 5.8L V8;EngineVersion: Cleveland Boss; Position: Pump To Block;.