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The Water Cooler
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Oil change intervals.
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<blockquote data-quote="Shadowrider" data-source="post: 4235168" data-attributes="member: 3099"><p>Like I said earlier up thread, oils today are a lot different than they used to be. Very generally speaking engine oils in Europe have always been far better than ours. After WWII when additives for viscosity, EP wear additives and detergents started getting used, Europe used a lot more of those things. Why? Because they didn't have much oil in the first place and had to conserve what they had as much as possible, so they formulated it to last much longer. Here in the US we have always had gobs of it so we went cheap figuring we could change it every 3 months. In Europe that just wasn't possible due to cost.</p><p></p><p>Today the gap has narrowed. API specifications require a lot of testing to be certified. The oil in the bottle has always lasted far longer than the additives in there with it. Most people don't realize that, and they just think "oil is oil". If that were the case we've been changing oil too often for about 80 years. lol</p><p></p><p>Today's EPA demands for better fuel economy and running oils that are almost as thin as water have demanded that very robust and high tech additive packages be used. The oil today in a yellow Pennzoil bottle or a green Castrol bottle is vastly superior to what you bought in 1970. It doesn't even compare.</p></blockquote><p></p>
[QUOTE="Shadowrider, post: 4235168, member: 3099"] Like I said earlier up thread, oils today are a lot different than they used to be. Very generally speaking engine oils in Europe have always been far better than ours. After WWII when additives for viscosity, EP wear additives and detergents started getting used, Europe used a lot more of those things. Why? Because they didn't have much oil in the first place and had to conserve what they had as much as possible, so they formulated it to last much longer. Here in the US we have always had gobs of it so we went cheap figuring we could change it every 3 months. In Europe that just wasn't possible due to cost. Today the gap has narrowed. API specifications require a lot of testing to be certified. The oil in the bottle has always lasted far longer than the additives in there with it. Most people don't realize that, and they just think "oil is oil". If that were the case we've been changing oil too often for about 80 years. lol Today's EPA demands for better fuel economy and running oils that are almost as thin as water have demanded that very robust and high tech additive packages be used. The oil today in a yellow Pennzoil bottle or a green Castrol bottle is vastly superior to what you bought in 1970. It doesn't even compare. [/QUOTE]
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