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Engine oil burn off!

Old 29-Jun-2007, 09:53 PM
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Engine oil burn off!

I have a honda civic 99 si coupe stock....with the 1.6 liter engine SOHC

i noticed that every 3000 km i have to add about 3/4 liter

Is it better to use 10w30 as opposed to 5w30??? will it help the engine not to burn the oil????


tnx alot for input
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Old 29-Jun-2007, 11:25 PM
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Right now 10w30 is the same as 5w30. The 10w & 5w are the winter weights.

Do you take your Si up into vtec a lot?
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Old 29-Jun-2007, 11:35 PM
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no not really....
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Old 30-Jun-2007, 01:31 AM
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Originally posted by starboy869
Right now 10w30 is the same as 5w30. The 10w & 5w are the winter weights.
That is incorrect.

10w30 will help a little bit, but you'll notice a bigger improvement with 10w40. But with a higher grade oil you always run a risk or lowering your oil pressure. But if its a 1990 **** it, run 10w40
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Old 30-Jun-2007, 08:43 AM
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just run 10w30 like the rest of everyone and add a half a bottle of lucas oil stabalizer with the oil change (without over filling) my mr2 was burning a bit of oil and my mechanic told me i should use that stuff oil hasnt went down since...
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Old 02-Jul-2007, 06:36 PM
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20w50 in the summer.
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Old 02-Jul-2007, 09:05 PM
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Originally posted by Cablerat
20w50 in the summer.
yup, thats what im putting in my next oil change.
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Old 02-Jul-2007, 09:29 PM
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When you see a W on a viscosity rating it means that this oil viscosity has been tested at a Colder temperature. The numbers without the W are all tested at 210 F or 100 C which is considered an approximation of engine operating temperature. In other words, a SAE 30 motor oil is the same viscosity as a 10w-30 or 5W-30 at 210 (100 C). The difference is when the viscosity is tested at a much colder temperature. For example, a 5W-30 motor oil performs like a SAE 5 motor oil would perform at the cold temperature specified, but still has the SAE 30 viscosity at 210 F (100 C) which is engine operating temperature. This allows the engine to get quick oil flow when it is started cold verses dry running until lubricant either warms up sufficiently or is finally forced through the engine oil system. The advantages of a low W viscosity number is obvious. The quicker the oil flows cold, the less dry running. Less dry running means much less engine wear.

Obviously, cold temperature or W ratings are tested differently than regular SAE viscosity ratings. Simply put, these tests are done with a different temperature system. There is a scale for the W, or winter viscosity grades and, depending on which grade is selected, testing is done at different temperatures. See the Tables to the right below for more information.

If you look at the table, SAE Viscosity Chart (High Temp) you'll see that if a measured amount of motor oil flows through the viscometer at 210 F (100 C) faster than 5.6 but less than 9.3 seconds, then it will be considered a SAE 20 viscosity. Consequently, if a motor oil flows through faster than 9.3 and slower than 12.5 seconds, then it will be a SAE 30 viscosity.

Now if you look at the table labeled Winter or "W" Grades, you can get valuable information on how the W or winter grade viscosities are measured. Basically, as shown by the chart, when the oil is reduced to a colder temperature it is measured for performance factors. If it performs like a SAE 0 motor oil at the colder temperature, then it will receive the SAE 0W viscosity grade. Consequently, if the motor oil performs like a SAE 20 motor oil at the reduced temperatures (the scale varies - see the chart), then it will be a SAE 20W motor oil.

If a motor oil passes the cold temperature or W (winter grade) specification for a SAE 15W and at 210 F (100 C) flows through the viscometer like a SAE 40 motor oil, then the label will read 15W-40. Getting the picture? Consequently, if the motor oil performs like a SAE 5 motor oil on the reduced temperature scale and flows like a SAE 20 at 210 F (100 C), then this motor oil's label will read 5W-20. And so forth and so on!

I can't tell you how many times I have heard someone, usually an auto mechanic, say that they wouldn't use a 5W-30 motor oil because it is, "Too thin." Then they may use a 10W-30 or SAE 30 motor oil. At engine operating temperatures these oils are the same. The only time the 5W-30 oil is "thin" is at cold start up conditions where you need it to be "thin."

http://www.upmpg.com/tech_articles/m...ity/index.html
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Old 03-Jul-2007, 10:58 AM
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Originally posted by CRXXX
just run 10w30 like the rest of everyone and add a half a bottle of lucas oil stabalizer with the oil change (without over filling) my mr2 was burning a bit of oil and my mechanic told me i should use that stuff oil hasnt went down since...
That Luca's stuff works well. I used it in my civic and the power steering in my dads truck.
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Old 03-Jul-2007, 03:31 PM
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yeah a thumbs up to lucas stuff in general
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Old 03-Jul-2007, 07:20 PM
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lucas FTW!
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Old 07-Jul-2007, 04:58 PM
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i run 5w30 with lucas...
i find that VTEC runs much stronger on 5w rather than 10w
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