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A vacuum leak or a clogged cat can cause that. I would suggest checking for a vacuum leak first if nothing then do a pre-cat and post-cat temperature comparison test.
It could be your wheel bearing. Just check your wheel for play and if you want to re-confirm you can disconnect CV axle (if any) then rotate and check again.
Your fuel trim values tell me that you have a vacuum leak. It would be good to look around again. Block the vacuum going to the brake booster. If no change then, get a vape and blow smoke onto a vacuum hose. That should make the leak more evident.
I cannot comment on the ‘MISSION’ but can comment on the addition of turbos. Before you start the process of turbocharging, there are few things you need to check since your engine is old. Mechanical health (like cylinder compression, unusual noises), leaks, and other issues like smoke from exhaust or clogged pcv. Once you turbocharge your vehicle then the rest depends on the turbo capacity, and air and fuel mixture tuning that determines how much HP/torque, at what RPM, and fuel efficiency. You can gain fuel economy if you have low boost at low RPMs and high boost for high power demands at high RPM. You would also need a reliable tuner to get things right according to your personal needs.
After replacing the parts, did you bleed the cooling system properly? When this happens does your air conditioning stop cooling?
If the fuel pump doesn’t pick up when the fuel level is low there is a chance for the engine to starve from fuel when you make a sharp turn depending on where the fuel pump is located. I once worked on a Toyota FJ40 which had the same issue.
Does it feel like fuel starvation? I would suspect the fuel pickup inside the fuel tank. If your battery is loose get it strapped.
Did they mention in the receipt what they did? Did they flush the transmission or add an additive during the refill?
There is a fix for this situation but I am afraid your cylinder head must come off for it to work. You can look for Cylinder head Bolt Repair Kit online. Kit from Timesert is good.
Before you jump into a transmission rebuild I would definitely recommend resetting the transmission adaption values. It is supposed to be done using an OBD tool. Transmission adaption will relearn the transmission shifting controls. It may shift hard for the first 100 miles after the reset but will eventually improve.