From memory to access the turbo to manifold nuts I needed to use offset spanners: Most people remove the manifold with the turbo still attached to it because the bolts are hard to access. In my experience the Toyota EP91 4efe/4efte thermostat (90916-03046) is stamped as 82 deg C which is what I removed from my engine. The Toyota epc states 82-95 (I assume this is starts to open at 82, fully open at 95).  Found the euro Paseo 5efe 95-97 thermostat (90916-03082) rated at