I thought there were other benefits. Cooler engine for more HP and less knock or something along those lines. I took it with a grain of salt, and needed a new tstat anyway and it's cheap. So, it won't be any trouble to go back.
2004 Impala LS - got some mods sold!!!
2009 Subaru Impreza WRX STI
NAIOA moderator Still Imp'n, just in a different Imp.