how hard is it to replace my thermo with a 180 degree? any pics to go along?

01 Zx2~ wings west lip kit, 17 inch motegi ff7's, ground controls, 4-2-1 header, full 2.5" exhaust no cat, magnaflow muffler, underdrive pulley, s/r ecu, p.o.t.s. 98 contour se sport~ v6 atx and stock