Thank you for your answer! You're exactly the guy I need to talk to. I do look through all the FAQs and tech pages every night on this site and a lot of it is great info, it's just when I try to use the search button I usually don't know how to put what I'm trying to accomplish into words. So I figured after reading so much stuff I'd just try my hand at asking someone on here exactly what I need to ask.. But that's great news that most of it's bolt on because I know how to work on engines, I just didn't know if there was any special things I needed to do on modern engines (things that I wouldn't have tools for or knowledge of how to put together). So you think I should go ahead and buy a ttz? Even with all the extra stuff I'm putting on it? Because basically what I'm looking to do is have doolz with the extensions running to where the intercoolers would be, have a front mount intercooler and all the turbos/line/injectors replaced with higher power gear. I'd be pulling the engine out anyway so I figured just do a swap and upgrade things as I go, reason being that upgrading a lot of these parts requires pulling the engine anyway. And thoughts on gear diffs/HICAS?