My question is whether your testing indicates that it is ok to keep the oil in up to 1 year? Hi Issac,. Learn more about Amazon Giveaway.
Deals and Shenanigans. I have had a report from one Blog reader who used the older 5W30 Castrol GTX version for years in flat tappet engines without issue.
August 31, 2017 at 11: There is no theory, nor any opinion, involved in my tests. Thanks in advance, and thank you for your continued efforts. So many forum wizards, so much BS.
All you need is an oil that produces excellent psi values in my Engineering tests, no matter how much zinc it has in it. Add to Cart.
See all customer images. So, it is always in your best interest to use a highly ranked oil from my Wear Protection Ranking List. Again, your logic on flow makes total sense to me, but this car always sounds louder on the 5w30 whereas it is quiet as a mouse with the 10w30.
What can I say, Motorcraft products for my ford F-150, simply the best. Here are the shipping instructions, which I will post for a couple of days and then remove. Daniel May says: Or to put it another way, NO liquid can be compressed. Pages with related products. Hi Stephen,. Therefore I do not plan to repeat the testing on their oils at this time. Because testing has shown, that often times, different viscosities of the same line of oil, perform differently.
In other words, first come, first served, or first received, first tested. That is an excellent oil. Very informative.
Mercedes started with 0-40 then they ended with 5-40. They also apparently supply this to fleets, for example: Is it possible to increase oil flow to the point at which it decreases heat transfer from the components to the oil to a detrimental point?
So, never believe anything people say about motor oil on Forums.