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I have been using these thermostats for a while now on S65's and S85's that are boosted and see track time.
There have been some posts from other users on multiple forums.
Its nice that Troy posts up his research. Someone has to try stuff and being that he gets involved into engine work, its nice to get another opinion on optioned parts.
There are a few temp ranges offered that fit these platforms. Just like the engine oil, it has been known that 10-60 is not the best oil spec.
10 is the cold oil flow, depending on where you live like CA for example, 10 weight is too much. If you speak to oil companies like Torco, Redline, Motul, Amsoil they will recommend to drop the 60 weight down as well. Tight clearance engines need a specific oil. Fuel, how the engine is used and other variables are key to correct oil as well. I'm sure most specialty shops will already be educated on these topics regarding oil. Mobil 1, Castrol and others are poor oil grades and probably a category 1 or 2 oil at best. Tack on owners that drive 10k miles per service and drive the shit out of these cars and its easy to see why rod bearing shell issues arise. That 10-60 Castrol is prob a 40 weight by the time you change it and all that protection is gone.
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