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11-30-2017, 03:11 PM | #23 |
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In that case, it's time to order some bacon lube!
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11-30-2017, 03:54 PM | #24 | |
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11-30-2017, 04:42 PM | #25 |
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Castrol 10w60 or nothing.
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12-16-2017, 07:42 AM | #26 |
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Thank you for all the info and documentation!
could you possibly check Royal Purple XPR 10w60 Redline 10w60 redline 10w40 Thanks! Last edited by jeff@autocouture; 12-16-2017 at 07:49 AM.. |
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12-16-2017, 08:31 AM | #27 | |
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Red Line 10w60 is on the thick side for its grade and won't thin out much with use: https://www.redlineoil.com/10w60-motor-oil I'd probably thin it out with a bottle or two of one of their other oils like the 5w40 or 10w40 -- get the HTHS down by 10-12% or so.
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12-16-2017, 09:25 AM | #28 | |
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12-16-2017, 12:19 PM | #29 |
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Great information. I don't DD my E92 M3, drive it every 2 weeks or so. Which oil properties should I look for the best cold start protection and leaves a protective coating of oil on the bearing surfaces, minimizing dry start?
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12-16-2017, 06:14 PM | #31 |
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I would go with Total. I had a meeting with the Total reps just this week. They were saying that US oil requirements are a joke. European requirements are much higher.
They also said that their 10-60 still have all the original additives. However, the EPA keeps forcing oil manufacturers to take out more and more of the additives. |
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12-17-2017, 02:00 PM | #33 | ||
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01-01-2018, 03:49 PM | #34 |
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I want to add some recent advice from an experienced S65/85 engine builder. Redline 5w50 is his recommended oil for both stock and stroker applications. he states it helps the engine run cooler, and the 5w50 offers better protection under both DD and hard use.
I run the Motul 8100 10w60 and noticed 2 things. 1. I conistantly hit 210 during DD. 2. I run 20-30 degrees cooler on the track. I would see 220-230 during DD with LM 10w60 and see 260-270 on track, in cool weather. Im debating the switch to 5w50 given the recent advice, but Im skeptical.
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01-01-2018, 08:11 PM | #35 | |
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I loved Redline oil when I raced, but it left the engine a lot of varnish in the S50 I was running. Granted, the engine ran stupid hot until I went to prepared class and could pull the condenser. 5w-50 probably is too thin for me now that I have BE Bearings in the car (though the mains would probably prefer the thinner 5w-50).
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01-01-2018, 08:22 PM | #36 | ||
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01-02-2018, 08:41 AM | #37 |
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-17F here in NH this morning. Drove my wife's E61 535xi. Yesterday it was -7F and I drove my E90M3. Alternating to keep batteries charged -- both new Bosch H8 AGM. I have been running 0W40 since I changed bearings 30k miles ago at 60k total miles in 2014, but am changing all cars to 5W40 to standardize for convenience. Did the E61 535xi, still have to do the E90M3 and E36M3 but its so cold I don't really want to do anything right now.
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01-02-2018, 09:24 AM | #38 | |
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I like that the RL 5w50 viscosity is quite a bit lighter on the cold end than TWS but fairly close on the warm end although HTHS is a little lower, probably not a big deal.
I'm gonna run 15w50 300V (due to the better HTHS vs RL) for a year and see how that does with a UOA at the end of the cycle. I drive <2000 miles/yr. Quote:
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01-02-2018, 03:17 PM | #39 |
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I'd continue using a 10w60 just like BMW calls for. Unless you got some sort of pre-start lubrication system (like an Accusump), oil choice won't really change much if the car is sitting for two weeks.
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01-05-2018, 09:55 AM | #40 | |
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01-06-2018, 03:25 PM | #41 |
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I have found some test results with multiple oils:
https://docs.google.com/spreadsheets...pgg/edit#gid=0 Here is the testing method: Not sure how relevant this test is, but in this comparison Motul seems to achieve the best results of 10W60 oils. Also, I have found that Liqui Moly 10W60 has HTHS value of about 3.5, which seems to be very low. |
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01-06-2018, 06:59 PM | #42 | |
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The HTHS of 3.5 sounds impossibly low for the Redline 10w60 |
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01-07-2018, 03:26 AM | #43 | |
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Quote:
https://pim.liqui-moly.de/pidoc/P000...60-21.0-en.pdf |
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01-07-2018, 03:45 AM | #44 |
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[QUOTE=seevin;22618964]I wrote Liqui Moly, not Redline. Check the product information, they claim it's >=3,5. Does this mean this oil provides less protection than others ovarall? Not sure how to read it, as it is a parameter measured in a very high temperature of 150C.
https://pim.liqui-moly.de/pidoc/P000...60-21.0-en.pdf[/QUOTE Their tech support is very responsive and informative, email them for clarification. I had a similar question about their MRV result and it turns out they are being conservative. MRV and HTHS are both rather variable so often averages are listed IIRCC. |
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