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Thanks to everyone for their replies. I guess I don't have too much to worry about as far as oil burning is concerned. I still wonder, though, where all the oil goes that's burned in a real oil burner...how much makes it out the tailpipe, how much gets burned in the cat, how much it wears...

I'm wondering what happens to the oil that is burned in a well-tuned catalyst-equipped engine. Does is deposit on the exhaust valves, the exhaust manifolds, cat converters, etc. or is it blown out into the air? Also, what exactly deposits? I'd imagine primarily the HCs would deposit as coke or...

My '01 Trooper is currently on its second OCI with Mobil 1 0W-40. The first run's UOA showed pretty good wear for 6000 winter-thru-spring miles. Before the M1 0-40 I ran M1 5-30 and it also showed good wear in a UOA. I posted these here a few weeks ago. Before the M1, I used to use whatever...

Schaefer's doesn't report the insolubles, but I think the oxidation number takes those into account. Since the oxidation number is zero (is this possible?) I assume the insolubles must be very low...just a guess though.

Here are the results from two consectutive UOAs from Scahaefer's for the Board's reading pleasure. Questions and/or comments are welcome. Vehicle: 2001 Trooper 3.5 liter gasoline Oil: Mobil 1 0W-40 Oil Filter: Mobil 1 for both intervals Air filter: original stock (Denso, made in Japan)...

I also recently posted a UOA form M1 5W-30 SS for an '01 Trooper. Those results were very similar to these.

I ran Auto-RX in my 155,000 slightly sludged 1993 Camry, and the oil (Exxon Superflo 5W-30) was still pretty clean after 800 miles. But, I changed the oil filter at 400 miles (was new along with the oil at the beginning of ARX treatment) and was very surprised to see all the gunk that the...

While running Auto-RX in my 155,000 mile Camry, I changed the oil filter at 400 miles and I was very surprised to see how much stuff was caught in the filter. I pulled the valve cover (it's a 4 cyl) off before I added the Auto-RX and the valvetrain was stained dark brown and a little sludge...

I saw the comparison between the Dex-Cool and the Toyota Red, I noticed the differences. But, do we know what these differences mean? I've had Havoline Dex-Cool in my Camry for about four or five years now (drain and refill radiator every year) and all seems perfect. But, after recently...

I have a '93 Camry, 2.2 liter 5S FE, with an automatic. When I change the ATF, I add three quarts after draining the pan on a level surface, and it reads just a tiny bit high on the dipstick. So I would guess the right amount would be 2.8 quarts to refill.

Just in case you haven't already, I'd certainly drain that old oil out of the crankcase (and refill) before trying to start it up.

It'd be really interesting to see a VOA of this oil, or even a UOA if anyone is really brave!

Does anyone care to share some facts about all these new types of coolants? G05, G12, G30, G48, Dex-Cool, Toyota OEM Red, Honda OEM, etc. It wasn't too long ago when the only anti-freeze choice you had to make was whether you wanted to splurge on the Prestone, or cheap-out with the Xerex or...

Spector, is that the 4 cylinder 5S FE engine with an automatic? I have '93 Camry wagon with the 4 cylinder and would love to not have to change the differential!

Just to add a little opinion on replacing the air filter every 3000 miles: that seems like overkill to me unless you're running your car under extremely dusty conditions.

One other point, the valves may still be out of spec even if they're not tapping. Generally they'll tap if the clearance is too large as crypokid states. But, the real big problem comes when the clearances are too tight, that's when the valves can burn up. And you probably aren't gonna hear...

I've found that most Toyota and Honda engines don't need their valves adjusted nearly as often as the maintenance schedules say. My '93 Camry's 5S-FE 4 cylinder has 156,000 miles on it and the valves are still in spec, I've NEVER adjusted them. Car still runs perfectly. It's a pain to adjust...

Yeah, if the '98 Accord is similar to the '00 Accord. The cabin air filters (there are 2 of them sitting side-by-side) in the 2000 Accord are right in the middle of the dashboard. I changed them once on my brother's accord for him. I'll tell you what I remember. It took about 30-40 minutes...

I think the only difference between the A1 and the A2 is that one of them is a little longer than the other. I think it's the A1 that's bigger. If you have the extra room, you'd obviously be better off using the one that's bigger. I don't know much about the cross reference numbers to other...

I'd warm the transmission up before I tried to loosen the bolt...it should make it easier...try putting the ratchet handle (or a breaker bar if you have one) on the bolt with the handle facing straight down or slightly forward if the ground is in the way and then pop it with a hammer. I can't...