
Castrol GTX High Mileage 15W-40
Care este parerea voastra despre acest tip de ulei de la Castrol ?
Este un ulei mineral gandit pentru motoarele cu un numar mare de kilometrii parcursi, cel putin conform specificatiilor producatorului. Uleiul contine si aditivi care ajuta la eliminarea depozitelor, imbunatatirea compresiei si revigorarea garniturilor, ventilelor, etc.
Pe CarBible am gasit urmatoarele informatii despre acest tip de ulei:
More and more oil companies are coming out with "high mileage" oils now, some recommended for engines with as few as 75,000 miles on them. So what is a "high mileage" oil you ask? Well very generally speaking, these oils have two additives in them which are more suited to older engines. The first is normally a burnoff-inhibitor which helps prevent the oil from burning off if it gets past an engine seal into the combustion chamber. The second is a "seal conditioner", the exact makeup of which I'm not sure of, but it's designed to soak into seals such as head- and rocker-cover gaskets and force them to expand. Thus if one of the seals is a bit leaky, the seal conditioner will attempt to minimise the leak.
I've not had experience of high mileage oils myself, but a few people who've e-mailed me have passed on various tales from it being the miracle cure to it making no difference at all. I think the general rule-of-thumb though should be "if it 'aint broke, don't fix it." Just because your engine has over 75,000 miles on it, doesn't automatically mean you need high mileage oil. Is the exhaust sooty or smokey? Are you noticing oil leaks? Is the engine consuming oil? If your engine is working fine, the exhaust is clean and you're not noticing any problems, my guess is that it doesn't need high-mileage oil.
I've not had experience of high mileage oils myself, but a few people who've e-mailed me have passed on various tales from it being the miracle cure to it making no difference at all. I think the general rule-of-thumb though should be "if it 'aint broke, don't fix it." Just because your engine has over 75,000 miles on it, doesn't automatically mean you need high mileage oil. Is the exhaust sooty or smokey? Are you noticing oil leaks? Is the engine consuming oil? If your engine is working fine, the exhaust is clean and you're not noticing any problems, my guess is that it doesn't need high-mileage oil.
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