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All of the temperatures above are celcius with (farenheit in brackets).
With the grill blocks off it would just barely maintain 85 (185f). My thermostat, I believe is actually 85(180f) Between 85(180) and 90(190) it take a little while to climb up which sort of supports my claim....and the aftermarket parts folks.
Something makes me think that the folks at Toyota like to manage the engine temperature at 95(200) to 100(212f) with the fan speed. So far my grille block achieves this easier in cooler weather, and the fan / radiator has not gone to full speed and capacity.
Another point of interest is that the radiator and fan unit for my 1.8L is the same as the one for the 2.4L GT engine that has 30 more HP. Therefore my radiator is also overcapacity which is also dampened by the grille block.
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