I wasn't criticizing your top shelf maintenance, just saying in general it would go a long way if a fella just took 15 minutes every 3 months when changing the oil to simply inspect the greasy side. But I suspect someone still doing their own oil is already a gear head anyway.
My truck's job is also recreation to the tune of an average of 8,300 miles a year (2008 at 95k now). It doesn't have to do daily chores or commuting. I do transfer case and axles annually (I run plain conventional 75W90) and the transmission biennially (I run MT90 so I find it lasts longer based on several UOAs over the year). I run Pennzoil Platinum on 5k or 6 month intervals in the engine.
I tend to put maybe fewer miles in a trip than you but they're more of the 3 to 5 day trips from home since a 4-hour circle from my front door is Steamboat, Telluride, Salt Lake City, Denver, Four Corners, southern Utah, etc. So I might do a trip more than 1,000 miles once a year at most.
That's fair and I didn't take any offense. The 4000 mile reference was actually a recent trip to that area of Utah, Colorado, and Arizona.
So a few hundred for you ends up being a few thousand for me. But my truck is a 2012, and I've got <50k miles on it. 15-20k maintenance comes once every 18-36 months depending on how much time off I get. But yeah, in my situation, major maintenance before a trip is always the prudent bet because a little extra time during seasonal downtime is worth it during a 9 day mileage bender.
I'm running MT90 in the transmission and transfercase, and Redline 75W90 in the diffs. I bought everything in 5 gallon buckets so I saved a lot. Usually if you reach out to an autoparts distributor and buy all your parts at once, they give you a fair discount since the sales guys have some leeway in terms of cost, which is what I did when I bought my upgraded bits for the Tacoma. Motor Oil is still PP like you, or whatever's cheap like Castrol in the 5 gallon bottle at Walmart. Toyota filters are cheap enough when I buy them by the case. They work in both the Tacoma and my 98 4runner so no sweat there.
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Regarding your following post regarding
balljoints, yeah that's kind of annoying, but honestly I would replace the whole lower control arm w/ something beefier like a Total Chaos option if my BJs
were bad.
Other than the Land Cruiser, does Toyota have any light vehicles that tend to the old philosophy?
My Scion xB from 2004 (sold through 2007) and the following model sold until 2014 are relatively easy to maintain. Yes, the Lower Control Arm and Balljoint is sold as a single unit, but I can get a replacement for $30-35 bucks and it's the same lower control arm for the xa, xb, yaris, and echo. Similar for the newer models. There are certain wear items, like suspension, that are easy to repair. But other stuff that's build with the vehicle to cut down on costs are easy to replace with non-oem repairs. Like if there's a problem w/ your fuel hardline, you can still replace it with flexible line and bypass the original and everything will be fine.
Despite the seemingly lack of "repairability", it's still doable. ?♂️