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    How Soon to Use Royal Purple?

    If you obsess over base oil, Mobil 1 Annual Protection is around 70% PAO, but significantly cheaper than oil from Germany or France.
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    How Soon to Use Royal Purple?

    Here's there thing about research, it can be faulty. There is a difference between actual research and absorbing marketing materials that make wild claims. Additionally, I agree with the post above me in that Mobil 1 is a superior oil to Royal Purple, not only does ExxonMobil have a large R&D...
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    Better Fuel Economy Suggestion for All Cars

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by BMWTurboDzl</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by Mad_Hatter</div><div class="ubbcode-body"><div class="ubbcode-block"><div...
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    Engine popped after running out of oil

    You must have an enormous amount of free time to spent it fabricating stories.
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    Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L

    There are also, like organic anti-wear additives that don't show on UOA, ash-less detergents/dispersants that don't show up on UOA. Don't use the ppm of anti-wear or detergent metals in an oil analysis as the only factor in determining the overall quality of a lubricant. As the current form of...
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    Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by ZZman</div><div class="ubbcode-body">I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils. </div></div> In a modern engine that has a timing chain and uses a...
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    School me on wrist heart monitors with pulse.

    I believe the Apple Watch has the most put together, and capable health monitoring out of all the wrist health monitors out there. However, only the newer ones have EKG capability. <a href="https://www.apple.com/apple-watch-series-5/health/"...
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    Mobil 15w30

    Mobil 1 ESP is one of the best oils on the market, if you have access to it, use it.
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    Mobil 1 base oil?

    From the Mass Spec analysis on the Russian oils forums, all Mobil 1 oils contain AN, with the exception being the 0w-40 which also contains POE.
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    Mobil 1 base oil?

    It is not sound to suggest people to add straight POE to their crankcase oil. Not only can POE cause damage to seals in incorrect mixtures, but POE causes significantly higher camshaft wear.
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    Engine oil price and your selection.

    Right now I use Mobil 1 5w30 for a 5k interval. If the price were not a factor, I'd use Mobil 1 AP 5w30 for the same interval.
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    Need Synthetic Recommendation

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by aquariuscsm</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by sloinker</div><div class="ubbcode-body"><div class="ubbcode-block"><div...
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    Need Synthetic Recommendation

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by High_Noon</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by kschachn</div><div class="ubbcode-body">Lol. Are you sure you're new here?</div></div> Yes, why? Has...
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    Castrol 0w40 as E36 track day oil

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by kschachn</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by ad_infinitum</div><div class="ubbcode-body">I think the Castrol would be a good choice, or on the other...
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    Havoline 0W20 VI higher than 5w30 and 10w30?

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by Whammo</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by ad_infinitum</div><div class="ubbcode-body">No. It means that it flows well at low temperature, and...
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    Havoline 0W20 VI higher than 5w30 and 10w30?

    Not at all. Viscosity index is a dimensionless number that represents how the viscosity of lubricant changes with temperature. The greater the viscosity index (VI), the smaller the change in fluid viscosity for a given change in temperature, and vice versa. Thus, a fluid with a low viscosity...
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    Havoline 0W20 VI higher than 5w30 and 10w30?

    No. Simply, viscosity index means the finished oil flows well at low temperature, and doesn't lose viscosity dramatically at operating temperature. For comparison, Mobil 1 0w-20 AFE's viscosity index is 173, 5w-30 is 172, and 10w-30 is 146.
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    Castrol 0w40 as E36 track day oil

    I think the Castrol would be a good choice, or on the other hand, Mobil 1 0w40 is too as they carry equivalent specifications such as MB - 229.5, Porsche A40, etc. However, both Castrol 0w40 and Mobil 1 0w40 no longer carry LL-01.
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    105k civic r18 valvetrain pics

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by robertcope</div><div class="ubbcode-body">Not real impressive given the supposedly awesomeness of the AMSOIL SS oil. I suspect boring old Mobil 1 off the shelf at Walmart would have produced at least the same results, if...
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    Need Synthetic Recommendation

    Go back to using Mobil 1. Don't get bogged down in base oil types, not only is it irrelevant to your application, but certifications are what matter. But all Mobil 1 blends use some group 4, and it was recently revealed in a previous post (linking to a Russian Oil club) that depicted a gas...
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