317 heads on a 5.3

[Smoky02]

I've read other people asking this question before and I'm going to try and answer to the best of my ability from my memory. If you are going to be running a F.I. they will be good for you due to the low compression they will leave you with, but just for a stock application no they will not be a good addition to your setup.

[Duntz]

I want to put a supercharger on it but money is going to other projects at the moment.