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    Quaker State UD 5w-30, 9200 miles, 2012 Cruze 1.4T

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Garak</div><div class="ubbcode-body"> I'm thinking I like Blackstone's reports less and less. That zinc number is totally off the wall. If it were true, this oil likely wouldn't meet SN/GF-5 standards, or any modern...
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    Supposedly bought Pennzoil HD-30, but it's API SN?

    UPC product data says Pennzoil HD 30 … <a href="http://www.upcdatabase.com/item/071611935395" target="_blank">http://www.upcdatabase.com/item/071611935395</a> The PDS say API … Pennzoil HD 30 … SM Pennzoil Long Life 30 (HDEO) … CF-4, CF-2, CF/ SJ Pennzoil SAE 30 Motor Oil … SN
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    Supposedly bought Pennzoil HD-30, but it's API SN?

    According to <a href="http://www.epc.shell.com/" target="_blank">Shell PDS's</a> (just search Pennzoil in US for complete listing), Pennzoil makes 3 different SAE 30 grades. Pennzoil HD 30 Pennzoil Long Life 30 (HDEO) Pennzoil SAE 30 Motor Oil You may be able to confirm which one of these...
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    Oil testing and results

    There isn't really much out there as far as motor oil tests outside of the Amsoil ones. Kind of disappointing. There is this <a href="http://www.sportrider.com/tech/146_0308_oil/index.html" target="_blank">sportrider</a> motorcycle oil test where they included a couple of auto oils.
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    Toyota 0w20, 6644 miles, 2006 Civic

    I'm thinking 7% is an error too -- like maybe a 2 got transcribed to a 7 somewhere along the line. If it was really was 7%, the oil when drained should have had a pretty strong gasoline smell.
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    Vis calculator

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body"><a href="http://www.research-equipment.com/viscosity%20chart.html" target="_blank">Viscosity chart</a> <span style="font-weight: bold">Newtonian Fluids</span> The viscosity of a Newtonian fluid is...
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    Consensus is that a little over full is OK?

    Engines always have a built in safety margin of probably close to a liter or more. They have to. One has to expect that the sump will be overfilled a little at least sometimes. No way even 1/2 liter of extra oil should be able to cause any real problems. Over the years I have overfilled the...
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    Help with Mazda Protege5

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Lately my oil goes missing between changes (5k OCI). I say missing because I dont see any leaks, but I dont see any plume of smoke out the back either. Im now having to add probably two quarts between...
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    Why only 40 or 50 Grade?

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">I live in the Middle East and there are lube stops at most servos but the predominate grade is 40 or 50 only. What are your thoughts on why that might be?</div></div> It's the base oils -- Group II/III...
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    Help me choose oil in Australia

    Delo 400 LE Synthetic 5W-40 should be available in Australia too. I would also consider using a Group II based 15W-40 like Delo 400 … <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body"><a...
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    Help me choose oil in Australia

    I think Mobil 1 TDT 5W-40 is Mobil's best motor oil. This should be readily available in Australia. It would be on my short list for the best motor oil out there.
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    Real Viscosity

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">So a HM 5w30 should give better MPG than a reg 10w30 EC oil.</div></div> No way to tell. There isn't cross data references for those oils. From what I've read, fuel efficiency is closely related to...
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    Real Viscosity

    Slight correction. I believe there is only one reference oil for the fuel economy test, but the different grades have to beat that one reference oil by different amounts. It's been a while since I looked at he API/ILSAC spec;s <img src="/forums/graemlins/smile.gif" alt="smile" title="smile"...
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    Help me in my Oil Debate

    I would lean towards a 40 weigh for a turbo engine run in a hot environment, or a A3 type 30 weight with a HTHS of 3.5 or greater. But almost all the 30 weight oils here in North America are energy saving so their typically < 3.5 HTHS. If you're going to go with a 40 weigh I don't see the need...
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    general oil question

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: HTSS_TR</div><div class="ubbcode-body">There isn't much to filter in a new/clean engine, any filter even the cheap house brand can do 7-10k miles. Only in a sludge up engine then the filter is needed to change at 1-2k...
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    new valvoline "next gen" 50% recycled oil

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Can you boil all of this down and post a question about final aromatics content in the NextGen Q&A thread for Valvoline to answer?</div></div>A follow up question to the base oil one could be: Does the...
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    new valvoline "next gen" 50% recycled oil

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Can you boil all of this down and post a question about final aromatics content in the NextGen Q&A thread for Valvoline to answer?</div></div>I would ask what the saturate level is in % of the re-refined...
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    new valvoline "next gen" 50% recycled oil

    The concern I have with re-refined motor oils has to do with the quality of the Group II base oils being used. Group II base oils must be > 90% saturates, which means 10% or less aromatics. This is a somewhat loose specification. There is a sizable difference between a Group II with 99%...
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    new valvoline "next gen" 50% recycled oil

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ferrari512</div><div class="ubbcode-body"> Re refining used oil is a much different process than refining raw crude. There are many different challenges to reclaim used oil vs raw crude such as metals, lead...
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    Acronyms used at BITOG, make me a sticky

    A few more ... PAO = polyalphaolefins VII = Viscosity Index Improver ZDDP = Zinc dialkyl dithio phosphate - main use as anti-wear additive NOACK = a test procedure for measuring volatility pp = pour point TBN = Total Base Number -- oil analysis TAN = Total Acid Number -- oil analysis PPD =...
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