This link below will pull up a small FAQ I am working on.
It presents some good questions and answers concerning tuning for 5.3L equipped trucks.

Main FAQ

http://home.earthlink.net/~akuma/Diablofaq.doc

This next link is a list of some of the posts I have collected concerning Diablo tuning.

http://home.earthlink.net/~akuma/DiablotuningFAQ.doc

If anyone would like to help put this faq together or has information or tuning settings please email or pm me.
I will be sure to give credit to those who help! I could really use the help or suggestions putting this faq together.

I REALLY want to put together a list of various settings that people are using on their trucks.