Yeah, unfortunately. I'm assuming the white smoke is coming from the exhaust tips. If the white smoke is coming off the exhaust manifolds or cats do to the coolant leak at the throttle body and not out of the exhaust tips at the back of the FX, then you just got to deal with that little leak and bleed the coolant system. No big deal. If it's coming out of the tips, check the engine oil and coolant reservoir and/or radiator for contamination.
If contamination, you'll have to remove the upper and lower plenums to get to the covers to torque them so you might as well pull the covers back off and clean all the mating surfaces well, including the gaskets before reinstalling them. I didn't think about having to pull the plenums to get to 1/2 the v.c. bolts.
You really won't know if what you did fixed the problem until you change the coolant and oil and drive around a bit, so do it right this time. Just a learning lesson.