at start up the coolant would heat up faster then the oil. so this would aid in stabilizing the "warm up" process
Originally Posted by Pete
this way the whole engine is the same temp +/- a few degrees.
coolant temps are 175-205'F
oil (in my skyline was 70-90'C) or about 210'F so maybe to cool? but seems like it more or less to keep the whole engine regulated at the same temp. good idea for an alloy engine.
my scangaugeii displays air intake temps between ambient ( maybe 65F ) and I think 160F was the highest ive seen so far.
the air barely touches the t/b then enters a plastic intake that has fresh air hitting it.
so it really doesn't do much except in winter. no point in mucking about unnecessarily.
View my fuel log 2015 Micra S manual: 7.7 L/100 km ... 36.8 mpg (Imp) ... 13.0 km/L ... 30.6 mpg (US) ...