Actually I just changed it and I'm not all that unsatisfied with it. I'd sure like to get in apples to apples. I've got fairly upgraded 596 heads. it would be nice to see what they did all things being equal ?
Believe it or not I may be setting myself up for disappointment here, but I'm really thinking I will get a little bit of a horsepower boost out of some CNC'ed aluminum heads...
If not there will definitely be a cam change LOL...