Oil type?

[Mephisto69]

Hey I have a 2000 GTI GLX and an wondering what type of oil is recommended? I use Royal Purple and am not sure what type to get. Thanks for the help

[Mk4Gasm]

Mobil 1 synthetic 5w-30 every 5000 miles

http://www.vwforum.com/forum/viewtopic.php?t=15827

[fotograf]

Mobil 1 synthetic 5w-30 every 5000 miles

http://www.vwforum.com/forum/viewtopic.php?t=15827

awesome read :tu:

[Mephisto69]

awesome, thanks for the help. so 5w30 is the recommendation then

[Mk4Gasm]

Correct, except at places with lower temperatures they recommend 10w-30, and for higher mileage vehicles 5w-40. If you read the whole article you'll know everything there is to know. Higher mileage would be like...120+. I feed mine Mobil 1 synthetic 5w-30 oil with bosch oil filters and my car is a champ. :tu:

[Mephisto69]

ok thanks allot

[stollen]

I run 5W40 in my car, change it every 5k, call it a day.

[Mk4Gasm]

I run 5W40 in my car, change it every 5k, call it a day.

The manual recommends that but they recommend that because the second number (40) is a representation of how warm the oil must get to reach its proper viscosity. They recommend this instead of 30 because in Germany with the Autobahn and the places where you can do w/e speed you want people typically drive their cars at a consistent 100+ MPH they must have a higher temperature oil. Unfortunately here in America we are not so lucky and generally keep ours to about 75 on average. This means that your oil isn't reaching it's thinnest point to where the parts can work in complete harmony, because it's still slightly thicker than it should be. This is where 5w-30 comes in at, reaching perfect viscosity for our driving habits assuming you don't go up to 100+ for more than a few minutes at a time.

[stollen]

The manual recommends that but they recommend that because the second number (40) is a representation of how warm the oil must get to reach its proper viscosity. They recommend this instead of 30 because in Germany with the Autobahn and the places where you can do w/e speed you want people typically drive their cars at a consistent 100+ MPH they must have a higher temperature oil. Unfortunately here in America we are not so lucky and generally keep ours to about 75 on average. This means that your oil isn't reaching it's thinnest point to where the parts can work in complete harmony, because it's still slightly thicker than it should be. This is where 5w-30 comes in at, reaching perfect viscosity for our driving habits assuming you don't go up to 100+ for more than a few minutes at a time.

I don't buy that for a second. First of all VR6's are known to run hot period. Second, what does driving at 100 mph consistantly have to do with anything? Around town I spend a fair amount of time at or above 3000 rpm's, which, along with the load on the engine from accelerating, would put more heat into the oil than cruising along constantly at 3000 rpm's on the interstate. Regardless of the situation you can't tell me that sustaining speed places more load on the engine than getting to speed.

Everyone gets way to cought up in theory instead of real world application.

[Mk4Gasm]

Well when you take into account that it takes only about 20 hp to keep a car going on a straight highway at about 70MPH the hp required to get your car up to about 100 and maintain that speed because of wind resistance is exponential. I'm not saying that 5w-40 isn't a bad idea or that it's bad for your engine I'm just repeating what the article said if you read it you wouldn't immediately write what I said off. I'm just going off what the article recommends, because they've obviously done some research on it. Maybe it is a good idea to run it in a VR6 I have a 1.8T so maybe mine is better off with 5w-30 but I'm stickin with the article on this one :tu:

[vwmeister]

I use whatever is on sale at Walmart... :finger:

Usually 0w40 Mobil 1 (winter) or if I have some 5w40 Elf (summer) in stock then I'll use that.

[SirRangeALot]

I use whatever is on sale at Walmart... :finger:

:scared:

[stollen]

I'm not saying that 5w-40 isn't a bad idea or that it's bad for your engine I'm just repeating what the article said if you read it you wouldn't immediately write what I said off. I'm just going off what the article recommends, because they've obviously done some research on it.

I did read the article, but I am not generally one to just accept everything that I read, I try to think about it and form my own thoughts. That and I generally think that the recommendation made by VW engineers (who designed the engine) should probably be taken into account as well.

[Mephisto69]

and what is it that they recommend?

[stollen]

and what is it that they recommend?

For my car (and I believe 1.8t's as well) 5w40.

[twooly]

http://www.vw.ca/SP/ca/pdf/en/oilchart.pdf

[lenny]

In my old 2.7tt I ran Ow40 Mobil fully syn all the time with zero problems. I changed mine under 4k usually....never past 5k
-Dan

[Head at JJperf]

Bora the other thing that is left out there is the use of oil coolers to keep oil temps regulated the airflow on said coolers will increase greatly with speed hence the oil temps on a car with an oil cooler (which commonly have an oil thermostat) will be consistant much as water temperature in an engine stays consistant and typically runs hotter sitting at idle then at speed.

[Sinan]

I use Castrol 5W-30 Syntec. Recommended by VW itself.