Quote Originally Posted by tango
You guys find some of the greatest photos . Was there a 1965 396 425HP that had aluminum heads ? One guy at work said he had a 1969 Nova that had a 396 425HP and it had aluminum heads ? THANKS COOL

There was a 425hp 396............not sure if it had aluminum heads. There were aluminum heads available on certain engines in those years. Most of the square port big block engines....396/375hp......427/425hp and 454/450hp....were seriously underrated, mostly to keep insurance companies happy.