I came across a rebuilt 1972 block 429 with the D3ve heads. This motor was built to be raced at a local track. The guy that rebuilt it assured me it was a strong engine. What I want to know is, is this motor worth putting in a 1970 mustang? Or should I keep the 302 in it? I'm already kicking myself for selling a rebuilt 351C. I want the car to be a strong running street car. This is my first muscle car project and any help would be greatly appriciated.

Kevin