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Yet we have an example of a Toyota engine in that CCN video that wasn't so fortunate. You can always find an example to support any position.
That is also a hybrid which doesn't run the engine as much as a full ICE car...and its a NA 4 cyl engine.
And those miles imply ideal operation condition for the oil as well, situations where oil can't get to temp and heavy fuel contamination happens is far more common than ideal operation.
Im very aware whenever I floor it in my cars I'm likely causing fuel contamination from the WOT injection map, most people have no idea what an injector is.
This thread is about blown head gaskets caused in part by coolant eating away the HG's and a design flaw where there is not enough material between the firing rings and coolant passages especially on cylinder #7.
I feel that the argument against 10K oil changes is more about being anti-Toyota than it has to do with anything else. Toyota does still recommend 5K oil changes for 2024 if certain conditions are met. I just follow what the book says for my cars.
Unless the million mile Tundra has the engine Amd is talking about in this video that doesn’t mean much.
It has a UZ 4.7 I think....or the 4.6 UR with much thicker bore to bore walls than the 5.7, not too sure actually since it's been a while since I looked into that famous truck.
Meanwhile in domestic truck world 1000000+ miles is so common it doesn't get attention like that, but then again the domestics actually offer heavy duty trucks and sell to fleets.
I feel that the argument against 10K oil changes is more about being anti-Toyota than it has to do with anything else. Toyota does still recommend 5K oil changes for 2024 if certain conditions are met. I just follow what the book says for my cars.
Aka do 5k since essentially existing at all forces 95% of all cars into severe service haha! There we have it! 5k is what that engineers say to do right in the manual!
So I guess CCN bought a bunch of used head gaskets on Ebay just so you he could say look at this, Toyota has a problem. Not that he works on many of them with the same issue can't be that. And some guy claims to have done 600,000 miles on a RAV4 while barely changing the oil which nullifies any supposed head gasket issues on the UR V8.
I feel that the argument against 10K oil changes is more about being anti-Toyota than it has to do with anything else. Toyota does still recommend 5K oil changes for 2024 if certain conditions are met. I just follow what the book says for my cars.