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Or.....................we could just go with what the manual suggests and delete all of the posts. Think of the hard-drive space we'd save. So, if we're going to settle this based on saving server space, I assume the debate is officially over and we're taking Toyota at its word? 🤔

Maybe we misinterpreted the "5w-30" title? Instead of the weight of oil, they meant page numbers.......... 8 pages to go Who's with me!!

I would agree with everything you mentioned other than the extended warranty. On average, you probably would have saved even more by skipping the extended warranty altogether. Dealerships make a good portion of their profit on the extras—extended warranties, financing, service contracts...

I would guess there are. I used to be on a different car forum, and I would see people post some of their deals and mention how their payment didn't change much even though they traded for a more expensive vehicle. What they sometimes don't realize—or don't pay much attention to—is that the...

See.................this is what happens when you run too thick of an oil. :p

From Google Search While the Toyota Tacoma’s engines are assembled at the Toyota Motor Manufacturing plant in Huntsville, Alabama, the individual engine components and parts are sourced globally. Many of these internal engine components, electronics, and sub-assemblies are imported directly...

From Google Search Depending on the model year of Tacoma, roughly 30% to 35% of a Toyota Tacoma's parts originate from the United States or Canada. The remaining components are largely sourced from Japan and Mexico. [1, 2] The parts breakdown can be further detailed by origin: U.S./Canada...

I think the irony is that we're all Tacoma owners. Most of us chose Toyota because of its reputation for quality, not because it was the most American-made truck. That's why I said "quality" is a better standard than "American."

I completely understand what you’re trying to say. My only issue was using “buy American” as the standard for quality. American companies can certainly make reliable products, but the same is true of manufacturers in many other countries. I grew up in the 1960s and 1970s and watched the...

Isn't that a bit counterintuitive? We buy Toyotas largely because of Toyota's engineering, manufacturing quality, and supplier standards—many of the original components were designed or sourced in Japan or from Toyota's global supplier network. So why would the assumption automatically be that...

I think this is one of the more balanced posts in the thread because it acknowledges there are many variables affecting engine life, not just viscosity. Where I'd be cautious is the last conclusion. Seeing vehicles that consume oil or are retired before 200,000 miles doesn't necessarily mean...

I agree with your first point. A poorly designed engine or lubrication system can certainly exhibit accelerated wear regardless of the oil used. As for turbocharger manufacturers, their general recommendations are interesting, but they're not a substitute for validating a specific engine. A...

Your examples actually reinforce something I think we agree on: these engines appear to be quite tolerant of adjacent viscosities. A Camry making it to over 200,000 miles on a mix of 0W-20, 5W-20, and 5W-30 is impressive, but to me it demonstrates the robustness of the engine more than the...

I'm all for looking at the numbers. That's exactly why I don't think one UOA can answer the question. If one 0W-20 analysis shows elevated wear, there are dozens of possible explanations besides viscosity—engine break-in, driving conditions, contamination, fuel dilution, sampling variation, OCI...

That's a fair point, and I don't think anyone is arguing that 5W-30 is "too thick" for this engine. Toyota itself approves it in other markets. The question isn't whether the engine can run 5W-30—it clearly can. The question is whether switching from the North American recommendation to 5W-30...

I agree that Toyota doesn't present 5W-30 as some catastrophic choice that will immediately damage the engine or void the warranty. The manuals clearly show the engine is capable of operating on a range of viscosities depending on the market. Where I'd make one clarification is your last point...

I agree. I think we've probably reached the point where we're just going in circles. (well, maybe 18 pages ago) :p There seems to be broad agreement that Toyota approves multiple viscosities globally and that 0W-20, 5W-20, and 5W-30 can all be acceptable depending on the market and operating...

I'm not telling anyone what oil they have to use. I've said repeatedly that if someone wants to run 5W-30 or 0W-30 within Toyota's globally approved viscosity range, that's their decision. What I've challenged are the conclusions being drawn from the data. I have no issue with people posting...

The same thing that guides a lot of owner decisions that fall within an acceptable range: risk tolerance. Some people change oil every 5,000 miles instead of 10,000. Some use premium fuel when regular is permitted. Some replace transmissions fluid earlier than the maintenance schedule. Those...

I completely agree that CAFE may influence Toyota's North American viscosity recommendation. I've never argued that fuel economy regulations play no role in these decisions. Where I think we still differ is that proving CAFE influences the recommendation does not automatically prove that 5W-30...