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Hey guys, i'm not a complete noob but i'm actually curious about those that have actually owned 1MZ-FE powered vehicles. I've recently had an interesting thing pop up in my mind, so i figured i'd ask the community their opinion. Right, so first things first..... The 1MZ-FE runs a factory 82°C thermostat (which in my opinion is perfect) considering comparable vehicles (Holden 3.8L's run significantly warmer, same with Falcon's 91°C & 92°C thermostats respectively. But fans don't really kick on till 104°C, now i'm well aware the more pressure you have, raises the boiling point of coolant and all that. I don't need that. But my question is, so... seeing as the 1MZ-FE is such a simple engine to work on. Factory fan switch (which controls the cooling fans) in my opinion isn't really the ideal temp for Australian climate. 82°C thermostat Fans don't kick on till ON @ 95°C OFF @ 90°C (Theoretical operating temp @ cylinder head before thermostat with stock fan switch is approx 110°C - 120°C) Mind you the 1MZ's do have up to 20° higher head temps by design, thus likely to sludge without regular oil changes, they shear oil pretty heavily. Now, i can get a replacement fan switch that drops the temp to ON @ 90°C OFF @ 85°C (Now calculating temps that drops the theoretical head temps before the thermostat running a lower temp fan switch to around 100°C - 110°C) - which personally i'm alot more comfortable with. In my opinion it's all for emissions, i don't really see an issue in doing so, just to bring head temps down, i'm not altering the operating temp, simply keeping it more in line with the actual temp range (82°C - 90°C) - might help in other areas too. Especially on a hot day. Bit of info or opinions is highly welcomed Kind regards Tom
General topic of discussion on what tyres people are running on STOCK/OEM alloy wheels Discussion is applicable to basically every Camry/Aurion & Avalon from 2000 - Current Wether it be 16", 17", 18" or 19" rims, a true enthusiast won't run "no branded/cheapie tyres" If any non branded/respected tyres come into question, please don't comment 😁 Michelin, Continental, Toyo, Falken, etc etc all welcome. Include the size, aspect ratio & profile gentleman/ladies ! PLEASE BE CIVIL, KEEP IT FRIENDLY