Update: 5W-30 & Heavier Recommended RoTW (6 Viewers)

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Well, there's definitely some very light varnish but my gut is telling me to just keep doing what I'm doing.

I was able to get the borescope down to the crankshaft through the driver's side timing chain. The visible oil had 5k on it and just got dumped as part of an oil change today.

Again for the record, 220k miles, oil changes every 5k save for a couple that went to 7500 as a test. First ~155k using TGMO 0w-20 (produced by Mobil, I believe), after that mostly Pennzoil Platinum 5w-30, then some Mobil1 5w-30. I'm running 5k on M1 0w-40 to see what that does for the occasional rhythmic valve tap that I get.

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Thanks for posting the photos.
As I suspected, you've got a clean looking engine. As I get older (and wiser?) I appreciate the overall value of 5k mile OCI's.

Live long and prosper
 
What’a your goal mileage to get out of it?
I don't really have one. If it says anything I'm back on stock suspension and UCAs with less than 30k miles on all of it, about to install new LCAs, will do rear control arms soon, and even looking at qualifying body mount sag to try and figure out if those are contributing to some NVH weirdness I've been experiencing for quite a while.

It would seem I'm in it for the long haul.
 
Well, there's definitely some very light varnish but my gut is telling me to just keep doing what I'm doing.

I was able to get the borescope down to the crankshaft through the driver's side timing chain. The visible oil had 5k on it and just got dumped as part of an oil change today.

Again for the record, 220k miles, oil changes every 5k save for a couple that went to 7500 as a test. First ~155k using TGMO 0w-20 (produced by Mobil, I believe), after that mostly Pennzoil Platinum 5w-30, then some Mobil1 5w-30. I'm running 5k on M1 0w-40 to see what that does for the occasional rhythmic valve tap that I get.

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This is hard core wabi sabi.

220k and looking this pristine, you should be proud of yourself.
 
This is hard core wabi sabi.

220k and looking this pristine, you should be proud of yourself.
Thanks, but only half of it was me.

It does highlight the importance of finding a vehicle with solid service history though, if you’re going to buy used.
 
Crossed over to the dark side today and serviced my 2008 with Mobil 1 5W-30. I bought this used with 70k miles on it and no idea what oil was used before I got it. I used TGMO 0W-20 a couple of cycles and then Kirkland 0W-20 since. It currently has 135k miles on it. It does not leak nor consume oil.

I am going on a summer road trip and the temps will be 90degF+, so wanted to go to a heavier oil.

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Getting me hot and bothered over here.

Any reason you went with the PP versus the regular passenger car oil?
Because I’m bougie.

I put less than 1,000 miles a year on the 20 Cruiser, 2,500 miles a year on the 4Runner and 5,000 miles a year on the LXs. Going to swap it in all of em.
 
Because I’m bougie.

I put less than 1,000 miles a year on the 20 Cruiser, 2,500 miles a year on the 4Runner and 5,000 miles a year on the LXs. Going to swap it in all of em.

Good answer. Excited to hear your feedback after you get some miles on each truck.
 
Because I’m bougie.

I put less than 1,000 miles a year on the 20 Cruiser, 2,500 miles a year on the 4Runner and 5,000 miles a year on the LXs. Going to swap it in all of em.
You need to drive back and forth rather than fly. Nothing better than a nice long road trip from the Great Land to the outside a few times a year.
 
You need to drive back and forth rather than fly. Nothing better than a nice long road trip from the Great Land to the outside a few times a year.
I know - it’s even better in the winter. Last time I drove was 2020 January. AK to IL in 7 days.
 

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Thought this thread was the proper one as it involved oil other than the “recommended” 0W-20.

We just got back from our mega Western trip 6/1/25-8/7/25. The trip was 8600 miles driven with 5600 miles under tow.
Many of the towed miles were mountainous with the engine working hard. Overall, we did a lot of driving and towing in extremely dusty conditions.

I changed the oil and filter before we left on 5/18/25 (33848 mi) with 0W-30 Mobil 1 full synthetic and after we returned 8/19/25 (42781 mi) with 0W-30 Mobil 1 full synthetic, total 8943 mi. Prior to the oil change before we left, I had only run 0W-20 Mobil 1 full synthetic.

BTW, I did the Venza aluminum oil filter housing conversion taking the tall center tube from the OEM plastic housing and installing it in the Venza housing.

What I noted in the bottom of the oil filter housing after I removed the filter and dumped the oil from it was a beige/khaki colored paste at the bottom. Not a lot, maybe 1/8 in thick with the consistency of cream cheese at room temperature. I have never seen this before.😕

The oil was dark colored but did not smell burnt.

I did change the engine air cleaner about 1/2 way through the trip (after we left Moab) as it was filthy.

So, what's the guess as to what’s the beige/khaki colored paste I found at the bottom of the oil filter housing?
 
Thought this thread was the proper one as it involved oil other than the “recommended” 0W-20.

We just got back from our mega Western trip 6/1/25-8/7/25. The trip was 8600 miles driven with 5600 miles under tow.
Many of the towed miles were mountainous with the engine working hard. Overall, we did a lot of driving and towing in extremely dusty conditions.

I changed the oil and filter before we left on 5/18/25 (33848 mi) with 0W-30 Mobil 1 full synthetic and after we returned 8/19/25 (42781 mi) with 0W-30 Mobil 1 full synthetic, total 8943 mi. Prior to the oil change before we left, I had only run 0W-20 Mobil 1 full synthetic.

BTW, I did the Venza aluminum oil filter housing conversion taking the tall center tube from the OEM plastic housing and installing it in the Venza housing.

What I noted in the bottom of the oil filter housing after I removed the filter and dumped the oil from it was a beige/khaki colored paste at the bottom. Not a lot, maybe 1/8 in thick with the consistency of cream cheese at room temperature. I have never seen this before.😕

The oil was dark colored but did not smell burnt.

I did change the engine air cleaner about 1/2 way through the trip (after we left Moab) as it was filthy.

So, what's the guess as to what’s the beige/khaki colored paste I found at the bottom of the oil filter housing?
Is it too late to send a sample off to Blackstone?

Brownish stuff in oil is usually what it looks like when water and oil mix. I’m not saying that this is what your seeing but it does seem strange to have build up in there of anything other than just oil running through it.

Any coolant consumption? What did it look like under the oil fill cap?
 
Thought this thread was the proper one as it involved oil other than the “recommended” 0W-20.

We just got back from our mega Western trip 6/1/25-8/7/25. The trip was 8600 miles driven with 5600 miles under tow.
Many of the towed miles were mountainous with the engine working hard. Overall, we did a lot of driving and towing in extremely dusty conditions.

I changed the oil and filter before we left on 5/18/25 (33848 mi) with 0W-30 Mobil 1 full synthetic and after we returned 8/19/25 (42781 mi) with 0W-30 Mobil 1 full synthetic, total 8943 mi. Prior to the oil change before we left, I had only run 0W-20 Mobil 1 full synthetic.

BTW, I did the Venza aluminum oil filter housing conversion taking the tall center tube from the OEM plastic housing and installing it in the Venza housing.

What I noted in the bottom of the oil filter housing after I removed the filter and dumped the oil from it was a beige/khaki colored paste at the bottom. Not a lot, maybe 1/8 in thick with the consistency of cream cheese at room temperature. I have never seen this before.😕

The oil was dark colored but did not smell burnt.

I did change the engine air cleaner about 1/2 way through the trip (after we left Moab) as it was filthy.

So, what's the guess as to what’s the beige/khaki colored paste I found at the bottom of the oil filter housing?
Good ? You think it was sludge in your housing, or insinuating contaminated oil from saturated air filter? What oil filter did you run?

Did you fire off a used oil for analysis? If not, do so if it’s an option.

Save your filter, dry it out, (cut it open), and post it at bitog forum imo.

Regardless, I’d change your oil and filter early on this run. If no analysis possible from your big trip, get one from the new oil currently in it.
 

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