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In my area (north of Spain) car racing is very popular. I know people that spend fortunes in racing cars and equipment but none of those I spoked with about UOA ever heard about it. After talking with a few of those guys, they all think it's a great idea and that it'd be great to have a...

Hi all. The user's manual of my 1998 Honda Deauville NT650 states: "oil and filter must be replaced after one year or 12.000 km" I only made 3500 km in the last year. Should I replace right now or can I wait to make some more km? I thought that maybe that statement is valid for old oils but...

My steering is not in it's best moment. It's OK most of the time, but sometimes when I'm parking it gets really hard, specially downhill when the weight is on the front end. Having 285/75/16 tires doesn't help I believe. It gets worse when it's hot. Would you try a complete fluid change to...

Hello everyone. My father has a BMW 330XD with a GM transmission, the A5S390R. For what I know, this transmission has proven to be reliable in petrol BMW and in some Cadillac and other GM vehicles, but, when mounted in 6 cylinder BMWdiesel, it's been really bad. BMW did an awful election with...

I'm using Texaco URSA Super TD 15W-40 in my car. A 1991 Toyota Land Cruiser with a 4.2 Turbo Diesel Engine. This oil is rated API CI-4, is more or less the equivalent of Chevron Delo 400 15W-40W for the spanish market (Delo is not available here). I use this oil even though it's recommended...

You know there are some others like these. I mean, do these temperature lifespans apply with synthetic fluids, or even with modern fluids? I guess, since these tables are easily found on transmission cooler manufacturers that are interested in giving you the worst perspective, that they are...

So I tried to follow the intructions for a complete ATF replacement, but I think I did something wrong. I bought a 20 liters can of Castrol Transmaz Z, the most recommended fluid for my transmision. (It's a 1991 Toyota Land Cruiser with a fully hydraulic automatic transmission) That should...

I saw this document today from ZF about ATF's for buses: http://www01apps.zf.com/kst464/ZF_InteroeleV2_manager/Work/2010-01-01/TE-ML%2014_es0701.pdf In it, they divide the ATF's in four quality levels (page 2): 14A for 30.000 Km /1 year oil change interval, 14B for 60.000 km / 2 years OCI, 14C...

Well, you may have read my previous post when I was trying to decide between Fuchs Titan 5000 Dexron II and Titan 6000 Dexron VI. http://www.bobistheoilguy.com/forums/ubb...842#Post1713842 Well, asking in several shops about them, and also about the Gulf fully synthetic (also Dexron II), I...

Hello. Some of you know I have had overheating problems with my Toyota Land Cruiser transmission and I decided to change it after 5000 miles cause it looked this way compared with the new ATF from the bottle (both Dexron III): I post this picture before in this forum and most people...

As I said before, I'm looking for an affordable Dexron III or better fully synthetic ATF. I found a good deal with an industrial distributor of Fuchs, that can sell me a 20 liter can of Fuchs Titan ATF for less 1/3 of the price I'd pay buying 1 liter cans. There are two versions that I'm...

Hello. I've been stronly recommended to use a 100% syntetic Dexron III compatible ATF on my transmission. The only oil I can source here that meets that is Amsoil Universal ATF, but it's really expensive here, and I buy it from the US I'll have to pay shipping and customs, so it will come...

Hello. I have been flushing my front differential that hadn't been serviced in the last 15000 km (9000 miles), and the oil coming out looks horrible. The service interval is about 20000 miles I think, but I replaced it earlier cause I made some water crossings, but I expected it to look better...

I've been reading about transmission flushing machines and it looks like all they do is equal the pressure they inject new oil into the system to the pressure the transmission pump pumps the old oil out. I had an idea to build something similar more simply. It may not work, but I just exhibit...

Hello. My Toyota automatic transmission is very smooth and confortable, but also very very lazy. The changes are slow and the torque converter slips way too much. This is a common problem in these kind of Toyota transmission, I'm in a forum where many members solved it by fitting in a new...

I remember having read a thread regarding used oil (to a point) lubricating better than new oil I have used the search engine in a thousand of ways but I can't find it.

Hello. Last time I went to replace the ATF of my Toyota Land Cruiser automatic transmission, the mechanic replaced the stock radiator with an aftermarket one that was supossed to be better. The results were terrible, it was ok in overdrive (it has 3 speeds plus overdrive) as the torque...

Hello everyone. My name is David and I'm from Spain. I've been looking for a forum with knowledge people on oil and I just found it!. This looks like a great source of information. I tell you my doubt. I have 1991 Toyota Land Cruiser 4x4 truck. It has a 4.2 Turbo diesel engine that has run...