You know I have a Lightning also. There is a big push now to replace the roots blowers with turbos. I am considering it myself, only hesitation being how tough it will be to get through smog.
There's a couple guys who have theirs up and in the middle of tuning, but initial numbers show gains of over 100 rwhp at the same boost, and this is compared to the race screw blowers not the stock Eaton units that come on the trucks stock. Plus the biggest drawback for me is that at highly modded levels the trucks need a full exhaust, which is very loud with the length they use (side exit). The turbo would eliminate that issue also with it's natural "muffler" tendencies.
Yes, I am thinking of it for mine as I already have a fully built engine, ported heads, bigger cams, KB screw blower, etc.
Jody
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