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Heminside
Pridružen/-a: 27.12. 2009, 22:44
Prispevkov: 1400
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 Objavljeno: 06 Apr 2018 20:24 Naslov sporočila: |
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Standardi olja, to ti piše na vsaki kanti ker standard je...Po SH se je količina ZDDP v olju drastično znižala.
To je po mojm bl važno gledat kokr pa a je 10-30 al 10-40 k to je tko majhna razlika d nima veze.
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Muscle cars never get old, they just get faster. |
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cruiser
Pridružen/-a: 24.04. 2006, 16:29
Prispevkov: 6769
Kraj: Lublana
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| Objavljeno: 06 Apr 2018 20:45 Naslov sporočila: |
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| Heminside je napisal/a: |
Standardi olja, to ti piše na vsaki kanti ker standard je...Po SH se je količina ZDDP v olju drastično znižala.
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Aha, torej se gre za cink za katerega pa ne vem ali bi ga moral dodajat.
| Heminside je napisal/a: |
To je po mojm bl važno gledat kokr pa a je 10-30 al 10-40 k to je tko majhna razlika d nima veze. |
Bo verjetno do neke mere držalo. Imam neko tabelo za ta olja in po njej so 10W-30, 10W-40 in 10W-50 praktično en in isti zvarek.
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www.cruisers-nation.com http://www.cruisers-austria.com www.rockabilly.si |
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Heminside
Pridružen/-a: 27.12. 2009, 22:44
Prispevkov: 1400
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| Objavljeno: 16 Apr 2018 22:09 Naslov sporočila: |
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Ekola lepa razlaga kako je s tem oljem...
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There are two categories: gasoline and diesel. Category S is for “Spark Ignition”, for Gasoline and category C is for “Compression Ignition’, for Diesel. For both, the letter S or C is followed by another letter. For example, SM or CF. The higher the letter, the more recent the technology of the oil. For recent oil, the higher specification will supersede the lower letter grade. For example, if we have an oil with specification SN, it can also be used for vehicles which request API SM, SL and SJ; it is backward compatible.
However, you have to pay attention to the year of construction of the engine. If the engine is too old, modern chemistry might not be adapted or compatible with old engine designs and materials used to make the engine. Let’s see by category how it works.
Gasoline (or Petrol) Engine Service Classifications
Below are all the API categories in Gasoline. It is mainly for passenger car, as most of the cars in US are Gasoline and not Diesel.
https://www.rymax-lubricants.com/resources/uploads/bestanden/Blogs/API-Summary.jpg
Specifications from SA to SH are considered obsolete, meaning that you cannot get any official license from the API. It is meant for 1995 and older engines. As explained earlier, the higher the letter, the more recent and a higher specification would supersede the lower ones. API SN to SJ are for the most recent cars, API SH to SA for the older cars. Few examples to illustrate what would be the best:
- Example 1: Car from 1987 and you only have two available oils, one with API SH, the other one with SL. If you read the table properly, the car needs an API SF. In theory, both SH and SL could be used. As also explained earlier, more modern oils are not necessarily adapted for older engines. Therefore, the oil with SH level would be more adapted.
- Example 2: Car from 2003 and you have different oils available: API SJ, SM or SN. In this case, you need API SL, so an API SJ, lower, cannot be good. SM and SN supersedes SL so both oils can be used.
Generally speaking, the best would be to follow the recommendation of the table. |
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