I would also have to agree with George. I have a a 72 with GT-5 upgrade. I went with a bore and stroke to 393ci but kept the 4V iron heads, put a nice roller cam,rockers, stainless steel 1 pc valves, new intake and big bore exhaust. I am at 500hp and have more than enough power. Infact 500hp is enough to get yourself into trouble if you are not careful. Even with 14inch of rubber on the ground you have to manage the throttle.
Best of luck, looks like a nice car
http://www.youtube.com/watch?v...index=7&feature=plcp
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