Castrol would have interesting law suite on their hands if they are miss representing a product on their website claiming its semi synthetic when it's not...
not quite sure about the dura blend of valvoline but didn't have good experience with the valvoline engine armour 10w-40~
the mobil 2000 goes great in my previous dc4 integra
now running with 10w-50 full syn of penrite in my unhealthy EG5 for 3500km already~
it burns much less oil than the 10w-40 and couldn't really feel the thickness from it compare to the 10w-40 I used before, but better oil pressure value on my gauge even after some fast driving that brought the oil temp up to 110'c
after reading the pdf file above I think I will give that yellow bottle Pennzoil a try~or maybe the dura blend next
has anyone used the Valvoline Durablend? im thinking of getting it looking at either 10-30 or 10-40 engines got 200 000 on it will be taking it in for major in the next few months.
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