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This is from Castrols customer service after I emailed them this same question...
Our previous Castrol SYNTEC product has been improved, renamed and repackaged as Castrol EDGE with Syntec Power Technology (SPT) however it remains in a black bottle and is fully compatible for use with the previous Castrol SYNTEC product so as always, you can use the same SAE grade of either product together for 'topping off' purposes without fear. The new Castrol EDGE with SPT is not only as good as the previous Castrol SYNTEC product that you were using but better!
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∙ 12y ago
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Can you mix Castrol Edge 10W-30 with Castrol Syntec 10W-30?
Yes you can. I spoke to Castrol customer service on 16 Feb 12 and asked if I could mix a left over 1 gallon bottle of the older Syntec with the newer Edge formula I just purchased. I was told as long as they are the same viscosity, they can be mixed.
Which oil is better Castrol Syntec or Castrol Edge?
Castrol Egde! Syntec isn't a true synthetic. True synthetics have something called paoi additives. Syntec does not have this. Edge on the other hand is a true synthetic. It has the paoi contents in the oil. Also Edge is the factory fill for exotic auto makers such as Aston Martin, and Bugatti. Syntec on the other hand has no such credentials. Edge also has the 15,000 mile/once a year drain itervals.(which I still don't recommend) Syntec has no drain interval garuntee. So your answer is Castrol Edge. The worlds only advanced synthetic motor oil.
Can you use castrol syntec 5w-30 in an Audi a4?
yes
What type of oil does a 2.5 jetta use?
The car take Castrol Syntec 5w40
What type of oil should I put on my 2004 Jetta 1.8T?
Castrol Syntec 5W-40
What oil type for a 1997 Mercedes c180?
Use Oil that meets 229.5 specifications, my preference is Mobil 1 0W-40 European Car Formula fully synthetic. There is also castrol syntec 0w30 aka german castrol. mobil1 0w40 can be found at almost any autoparts store or walmart, whereas castrol syntec 0w30 can be found at autozone. (courtesy of mbworld.org)
What type of engine oil for 07 Mercedes E350?
Use Oil that meets 229.5 specifications, my preference is Mobil 1 0W-40 European Car Formula fully synthetic. There is also castrol syntec 0w30 aka german castrol. mobil1 0w40 can be found at almost any autoparts store or walmart, whereas castrol syntec 0w30 can be found at autozone. (courtesy of mbworld.org)
What type of oil is best for a 2005 Mercedes e320?
Use Oil that meets 229.5 specifications, my preference is Mobil 1 0W-40 European Car Formula fully synthetic. There is also castrol syntec 0w30 aka german castrol. mobil1 0w40 can be found at almost any autoparts store or walmart, whereas castrol syntec 0w30 can be found at autozone. (courtesy of mbworld.org)
What engine oil should be used for 2003 Mercedes E240?
Use Oil that meets 229.5 specifications, my preference is Mobil 1 0W-40 European Car Formula fully synthetic. There is also castrol syntec 0w30 aka german castrol. mobil1 0w40 can be found at almost any autoparts store or walmart, whereas castrol syntec 0w30 can be found at autozone. (courtesy of mbworld.org)
What oil can you use in your BMW 323i?
castrol syntec 0w30 or mobile1 0w40 both are LL-1 BMW approved oil.
What type of oil should be used in a 1999 VW Beetle 2.0L gas engine?
5w-30. The factory and most dealers use Castrol. I use Castrol Syntec Blend partial synthetic.
What type of engine oil does a 2003 Mercedes Benz e320 require?
Use Oil that meets 229.5 specifications, my preference is Mobil 1 0W-40 European Car Formula fully synthetic. There is also castrol syntec 0w30 aka german castrol. mobil1 0w40 can be found at almost any autoparts store or walmart, whereas castrol syntec 0w30 can be found at autozone. (courtesy of mbworld.org)
