A CL-30 First Officer reported a wake vortex encounter in trail of a B767 on approach to MIA. Reporter felt the Captain was slow to react to the threat.

Narrative

While on the LOC/DME [Runway] 8L approach in VFR conditions at MIA; we were level at 3;000 FT on 12 mile final with MIA Approach Control when they advised; 'Caution wake turbulence; heavy B-767; 7 miles ahead.' We acknowledged and continued. After being handed off to MIA Tower; they advised; 'Caution wake turbulence; heavy B-767; 5 miles ahead;' and told us to maintain 170 KTS or less to final fix. The Captain was slow in reducing his speed. Just prior to FAF we encountered moderate wake turbulence. The Captain disengaged the autopilot and pitched up slightly which slowed the aircraft to 160 KTS with zero flaps. 20 degree flaps is SOP for 160 KTS. I advised his speed and asked if he would like some flaps. His only comment was [a vulgar word directed toward me]. This person has a history of operating way outside industry and aircraft SOP. This is the second report I have made concerning this operation; the first being on ILS in [a thunderstorm and heavy rain] with windshear while other aircraft were going around.