Oil Changes.. Lets discuss
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Oil Changes.. Lets discuss
Originally Posted by Ifergit
It's not the oil that break's down it's the anti-foaming agents in the additive pack in the oil for the high pressure injection system running at several thousand psi. I spend 300 a month on fuel so i don't really notice the 35 every 3000 for rottela and motorcraft filter from wally world. The same oil can stay in a cummins for 15000 miles but i'm a ford man. I drain my oil out and give it to my cheap friend with the cummins. I wish the additive pack was as good as the oil it came in. Well it's good but not quite good enough. You can buy the anti-foam additive and just dump it in. Semi trucks use it and they keep there oil in for 40-50 thousand miles. That oil has a good base stock that will protect your moving part's far past 3000 miles, but it's not about that it's the high pressure injection system and the hydraulicly accuated injectors.
While I agree with some of the above points. The point of Semi trucks using additive packs to make thier oil changes in the 40-50k range... I'm definatley not a know all in the trucking industry, but that is something I've never seen nor heard of being done. 15-20k is about the max most of the owner operators I know run their oils.
Now as far as oil weight... my mechanic who maintains the regional fleets of trucks for our power company, and largest tree trimmin outfit told me to run URSLA 10-30 in my truck, and change every 8k.
Most manuals will advise using a summer weight oil and a winter weight oil for those of us that live in the nawth. I've always stuck with winter weight oil, mainly cuz I didn't want the hassle of keeping two types of oil in stock.
So lets also talk about the High pressure oil system that operates the injectors. Doesn't it also supply the turbo bearings?? and what that does to your oil.
