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3320 oil
- Thread starter cjranch
- Start date
- Joined
- Jul 5, 2003
- Messages
- 4,064
- Location
- Laag Zuthem
- First name
- Renze
- Machinery:
- 1976 5718
1978 5718 35kmh: Work in progress
1967 3011
10w/40 or 15w/40
i have never seen 20w/30 being for sale at a store... ?
i have never seen 20w/30 being for sale at a store... ?
Me neither.......... not for a long time.....
20 years ago 30W40 was the cheapest oil available (at least in NZ)
until ~10 years ago 20W50 was the most popular (good) oil for "older cars" .... at least in temperate climates! ... (E.g. Castrol GTX)
but now this has been completely replaced by 15W40. (interestingly still marketed as Castrol GTX).
the main reason is Turbos dont like thick oil, and modern engines have much tighter tolerances on the bearings....... at least when new.
the latest generation of Engine oil is "mixed fleet compatible" and suitable for "most" petrol and diesel engines.
Note. Should not worry too many Zetor owners,............
but the new (well new 6 years ago now) range of Common rail Diesel engines need special oil, but i have yet to find a good explanation why.....
low sulphur is one reason, but even a standard full synthetic oil is not good enough for (European and Jap) common rail diesel engines apparently.
i think 20W30 and 30W40 would both be obsolete..... and in any case not very good!
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