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Old May 22, 2001 | 02:32 PM
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Does anyone know why TL must take 5W20 engine oil. I mean the most popular ones are 5W30 and 10W30. 5W20 is a very rare oil to find on the market.

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Old May 22, 2001 | 04:59 PM
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recommended oil is either 5W 30 or 10W 30. you use 5W if the temperature goes below 11 degrees Cel. you use 10W if it never goes below that temp

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Old May 22, 2001 | 05:24 PM
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I am sorry I am not very knowlodged about cars. How do I know the temp of my car is below or higher than 11 cel degree?
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Old May 22, 2001 | 06:38 PM
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use the 5-30, that is what acura recommends
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Old May 22, 2001 | 06:46 PM
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Originally posted by Lazyman:
Does anyone know why TL must take 5W20 engine oil. I mean the most popular ones are 5W30 and 10W30. 5W20 is a very rare oil to find on the market.

Silver TL 2002
My new Civic takes 5w20, too. I thought it was for the longer change interval (5000/10000 miles), or for better gas mileage, or for emissions.

I bet by the time you're ready for a second or third oil change popular oil manufacturers will have this new blend on the shelf.

Meanwhile, you could either take it to the dealer, or maybe use 0W30 or 5W30 synthetic if you insist on changing it yourself and not buying your oil from the dealer.
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Old May 22, 2001 | 06:58 PM
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lazyman - your in canada, im sure the temperature goes down to -20 C easily right? then you will definately want to use 5W. the people using 10W are down there in LA

where exactly did you read that our cars use 5W-20?

einstein - do the steel winters fit on the civ/crv? hows the civic going so far?
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Old May 22, 2001 | 07:02 PM
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I use 5 Weight too..
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Old May 22, 2001 | 07:07 PM
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Originally posted by mr tl:
lazyman - your in canada, im sure the temperature goes down to -20 C easily right? then you will definately want to use 5W. the people using 10W are down there in LA

where exactly did you read that our cars use 5W-20?

einstein - do the steel winters fit on the civ/crv? hows the civic going so far?
If the TL takes 5W20, it's new for 2002.

I haven't tried the winters on the CRV. My hydraulic jack is just short of lifting the CRV high enough, and I don't feel like getting the jack out. If I find they don't fit, it will be in November. If they don't fit, I'll advertize them here.

The Civic gave us 37 mpg on the first tankful of mixed driving. The car uses 87 octane. Runs real well, and rides much nicer than out 92 did. Steering is a little overboosted, but that's OK because my wife has health problems with her arms.

I've been enjoying the MR2 more often. In fact, the incredible fun I have with this car is the main reason I didn't feel I needed the TL anymore!
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Old May 22, 2001 | 08:00 PM
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I live in BC, Canada. The cap of the enigne oil of TL says 5W20 recommandation.

Silver TL 2002

Originally posted by mr tl:
lazyman - your in canada, im sure the temperature goes down to -20 C easily right? then you will definately want to use 5W. the people using 10W are down there in LA

where exactly did you read that our cars use 5W-20?

einstein - do the steel winters fit on the civ/crv? hows the civic going so far?
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Old May 22, 2001 | 08:02 PM
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That right, I got TL 2002. Does TL before 2002 take 10W30 or 5W30??

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Originally posted by Einstein:
If the TL takes 5W20, it's new for 2002.

I haven't tried the winters on the CRV. My hydraulic jack is just short of lifting the CRV high enough, and I don't feel like getting the jack out. If I find they don't fit, it will be in November. If they don't fit, I'll advertize them here.

The Civic gave us 37 mpg on the first tankful of mixed driving. The car uses 87 octane. Runs real well, and rides much nicer than out 92 did. Steering is a little overboosted, but that's OK because my wife has health problems with her arms.

I've been enjoying the MR2 more often. In fact, the incredible fun I have with this car is the main reason I didn't feel I needed the TL anymore!
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Old May 22, 2001 | 08:05 PM
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Actually, the temp in Vancouver BC is usually around 0 cel degree in winter. So I guess I can use synthetic 5W30, eh?
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Old May 22, 2001 | 08:06 PM
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So I notice the number before "W" is for the temperture in the area. How about the number after "W", what does that indicate??
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Old May 22, 2001 | 08:32 PM
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tl before 2002 takes 5-30 year 'round, or 10-30 if never too cold. go by the outside ambient temperature.

10 will give slightly less fuel economy than 5, but 10 will in theory protect engine better.
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Old May 22, 2001 | 08:43 PM
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lazyman - ok, i forgot about the new tl's. i dont even know what the number AFTER the W means. maybe einstein does. 99-01 tl's use EITHER 5W30 OR 10W30, depending on year around climates. if it never goes below 0 degrees, id think you would use 10W20 (if there is a such thing). but if it happens to go below that temperature, the oil probably wont be able to be pumped into the engine....which is no fun! i suppose 5W20 would be the safest for you

ein - what year is the civic? is it the latest model? i thought crv's had 4 lugs rather than 5. anyway, glad to hear your happy. another thing, on the other board you visit, you should change your name to Mr MR.
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Old May 22, 2001 | 08:47 PM
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and lazyman, mobil 1 synthetic is supposedly the best stuff out there. some consider it overkill for for non-racing use, but thats the stuff i use. it would also be smart to wait until your 3rd or 4rth oil change before you change oils.
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Old May 22, 2001 | 09:05 PM
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You are rich. I only consider to use either castrol or Penzoil.

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Originally posted by mr tl:
and lazyman, mobil 1 synthetic is supposedly the best stuff out there. some consider it overkill for for non-racing use, but thats the stuff i use. it would also be smart to wait until your 3rd or 4rth oil change before you change oils.
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Old May 22, 2001 | 09:17 PM
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Originally posted by mr tl:
lazyman - ok, i forgot about the new tl's. i dont even know what the number AFTER the W means. maybe einstein does. 99-01 tl's use EITHER 5W30 OR 10W30, depending on year around climates. if it never goes below 0 degrees, id think you would use 10W20 (if there is a such thing). but if it happens to go below that temperature, the oil probably wont be able to be pumped into the engine....which is no fun! i suppose 5W20 would be the safest for you

ein - what year is the civic? is it the latest model? i thought crv's had 4 lugs rather than 5. anyway, glad to hear your happy. another thing, on the other board you visit, you should change your name to Mr MR.
The first number is the viscosity at room temperature. The second number is the viscosity at operating temperature. Since your engine is at op temp most often, the second number is more important IMHO.

Therefore, 5W30 and 10W30 behave the same when the car is warmed up, but at startup the 5W30 will be thinner and flow better.

I don't think there is such a thing as 10W20. Given the small spread in viscosity, there wouldn't be that much benefit over a straight 20 weight oil. Remember, most base oils are given additives which help them behave like thicker oils at higher temperatures. Synthetics don't need as much.

All oils thin at higher temperatures, even multi-viscosity oils. For instance, a 30 weight oil is thinner at 200°F than a 5 weight oil at 70°F. But a 30 weight oil at 200°F is thicker than a 5 weight oil at 200°F. Clear?

The civic is a 2001 (4-lug). I still have a 1999 CRV (5-lug).

Haven't thought about changing my name. Einstein sticks too well!

<FONT COLOR="#800080" SIZE="1" FACE="Verdana, Arial">[This message has been edited by Einstein on May 22, 2001 @ ]</font>
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Old May 22, 2001 | 09:19 PM
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For 2002 Acura switched over to the 5W-20 which is an oil that has been available in Japan for some time now. Even the TL-P which is the same exact engine from 2001 to 2002 switches to a recommended oil weight of 5W-20. MPG should be better and protection doesnt seem to be an issue from what I read. A 5W-20 weight seems to be more stable than a 5W-30 as more additives are needed to achieve the the wider range covered by 5w-30.

The W stands for Weight. In 5W-30, the 5 indicates that the oild flows like a light weight 5weight oil reacing engine parts quickly, the 30 indicates that it flows like a 30 weight oil when warmed up. At those temps a 5 weight oil would offer inadequate protection.

With todays small production tolerances and the way your engine was designed, I would stick with the recommended 5W oil for the best performance, mpg, and protection.

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<FONT COLOR="#800080" SIZE="1" FACE="Verdana, Arial">[This message has been edited by Mr Hyde on May 22, 2001 @ ]</font>
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Old May 22, 2001 | 09:34 PM
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The "W" actually stands for "winter".

"Multi-grade oils allow easy startup in cold temperatures and also provide effective lubrication at high temperatures. The "W" in multi-grade oils stands for "Winter" and indicates that the oil meets certain viscosity requirements for winter or low temperature operation. "

More than you needed to know... see this links:
http://www.api.org/programs_services...y/enginoil.htm
http://www.amsoil.com/products/xlm.html

<FONT COLOR="#800080" SIZE="1" FACE="Verdana, Arial">[This message has been edited by Einstein on May 22, 2001 @ ]</font>
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Old May 22, 2001 | 09:49 PM
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understood

why would a 5W 20 give better mpg than a 5W 30? since mpg gets worse in the winter, wouldnt we want to stay away from the '5' (first number) as much as possible?

the way i figure it, the higher the 2nd number, the better the performance, worse mileage, better protection

no?

in other words, what are the extreme advantages/disadvantages to an operating temp oil

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Old May 22, 2001 | 10:54 PM
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Holy, this topic is getting complicated. I must spend more time on digesting everyone's opinion and information.

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Old May 23, 2001 | 02:29 AM
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I would like to hear some founded opinions, or maybe some facts, on when to start using synthetic oils.
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Old May 23, 2001 | 09:06 AM
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Originally posted by mr tl:
[B]...why would a 5W 20 give better mpg than a 5W 30? since mpg gets worse in the winter, wouldnt we want to stay away from the '5' (first number) as much as possible?

the way i figure it, the higher the 2nd number, the better the performance, worse mileage, better protection.../B]
Well, the higher the number (either number), the thicker the oil. For example, 5 is more like maple syrup than 30.

The thicker the oil, the harder the engine must work to work through the oil. Hence, 5-20 is thinner at operating temp than 5-30 and gives slightly better MPG.

However, the higher the number (either number), the thicker the oil and theoretically the better the protection. This is only true to a degree, as if the oil was too thick than it could not flow well enough to circulate and protect.

That problem is why multi-viscosity oils are now popular (i.e. 5-20 as opposed to "straight" 20) - they can flow well when cold, and behave as a more viscous (thick) oil when at operating temp.

If you drive hard (fast, in the city, etc.) then you shouldn't reduce the second number of the oil. Example: don't go from 5-30 to 5-20 if you rag your car.

Make sense?


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Old May 23, 2001 | 12:58 PM
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Agree!

Originally posted by greenpelikan:
I would like to hear some founded opinions, or maybe some facts, on when to start using synthetic oils.
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Old May 23, 2001 | 01:06 PM
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It makes sense more. Due to the sythetic oil doesn't have 5W20, I guess if people who want to use sythetic can only go for 5W30. So what do you suggest? 5W20 regular or 5W30 synthetic.

By the way, instead of using the expensive oil like Mobile. Between Penzoil or Castrol, which one you would you pick?

Silver TL 2002

Originally posted by Gomez:
[b]
Originally posted by mr tl:
...why would a 5W 20 give better mpg than a 5W 30? since mpg gets worse in the winter, wouldnt we want to stay away from the '5' (first number) as much as possible?

the way i figure it, the higher the 2nd number, the better the performance, worse mileage, better protection.../B]

Well, the higher the number (either number), the thicker the oil. For example, 5 is more like maple syrup than 30.

The thicker the oil, the harder the engine must work to work through the oil. Hence, 5-20 is thinner at operating temp than 5-30 and gives slightly better MPG.

However, the higher the number (either number), the thicker the oil and theoretically the better the protection. This is only true to a degree, as if the oil was too thick than it could not flow well enough to circulate and protect.

That problem is why multi-viscosity oils are now popular (i.e. 5-20 as opposed to "straight" 20) - they can flow well when cold, and behave as a more viscous (thick) oil when at operating temp.

If you drive hard (fast, in the city, etc.) then you shouldn't reduce the second number of the oil. Example: don't go from 5-30 to 5-20 if you rag your car.

Make sense?


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Old May 23, 2001 | 01:19 PM
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http://www.geocities.com/chrislonghu...oil_bible.html http://www.geocities.com/chrislonghurst/snakeoil.html
this should help...
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Old May 23, 2001 | 08:19 PM
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Lazyman,

At least 2 companies have synthetic 5w-20 oil available. Amsoil and Redline, you have to get the Redline direct from them, it is very new. I suspect Mobil 1 and the other major brands will release their versions soon. Both Honda and Ford now use this new grade.
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Old May 24, 2001 | 02:20 AM
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really, that's a good news to know. First I thought they don't even make 5W20 synthetic at all. hehe

Originally posted by roadman:
Lazyman,

At least 2 companies have synthetic 5w-20 oil available. Amsoil and Redline, you have to get the Redline direct from them, it is very new. I suspect Mobil 1 and the other major brands will release their versions soon. Both Honda and Ford now use this new grade.
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Old May 24, 2001 | 02:01 PM
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Very good info...I decide to used 10w30 just for the fact that I, high rev a lot. I want to be more on the safer side than on the save gas side.



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