As for the turbo setup, check out our site sponsor, Trick Performance, for a complete front mount turbo setup. He's got that all worked out already. The 99 is the OBS engine setup. Check out the OBS conversion topics for information about swapping from the 5.7 to the 6.0L. If you have any specific questions not answered in the conversion topics, ask them directly and we'll do our best to answer them one by one.