Coolant and Transmission Fuid?
 

I'm having the radiator flushed and transmission fluid changed. Is there any specific coolant or additive/fluid I should be using for either one? Thanks.

------------------
************************
1999 GT - Laser Red
K&N, Steeda pulleys, Steeda strut tower brace & Tri-ax
(Upcoming mods: subframes (bought), Bassani X (next), & FMS 3.73s