1964 Plymouth Barracuda 273 V8 push button auto make good gasser or drag

1964 Plymouth Barracuda 273 V8 push button auto runs needs work make good gasser, runsbut has clunk when put into gear, sounds like rear U-joint. Car has been sitting but started and warmed up regularly. Needs paint, interior, brakes were new butmay have air in system.needs paint, interior, sat with no wax on it 3 years outside see rust in picture. body solid otherwise. floor and trunk has linex, doneby previous owner. Edelbrock aluminum manifold, Holley carb. electronic ignition. gas tank replaced three years ago. Car was project with my father son project but hegot a truck with modern conveniences. Idaho pink slip. needs work but I think it could make a great driver / race car/ street rod.