01-31-2021, 09:45 AM | #29 |
Drives: 2021 2SS Join Date: Jul 2020
Location: Cleveland
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01-31-2021, 10:00 AM | #30 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,813
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Why would you say that? He is using the oil recommended by GM for that year!
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01-31-2021, 10:13 AM | #31 | ||
Drives: Chevrolet SS 1LE Join Date: Oct 2019
Location: St. Charles, MO
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Quote:
Second: you're comparing regular M1 to their ESP version, which is definitely not recommended for any 6th-gen Camaro because it's not Dexos rated. Third thing: the 40C viscosity measurement for the 5w-30 ESP is 72.8. It's not a lot thicker at typical startup temps, but it does take more time to flow to critical parts. It's also a little bit lower viscosity at 100C (12.1 vs 12.9). These are obviously not big differences, but then 5w-30 ESP doesn't cost less than 0w-40 ESP, so again, why not use what the manual actually calls for? If you have an earlier car and your manual specifies 5w-30 Dexos II, by all means use that. I know that for at least 20-21 that is not the case. Quote:
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Matt Miller
2020 SS 1LE |
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01-31-2021, 10:49 AM | #32 |
Makis
Drives: 2020 Red Hot ZL1 A10 Join Date: Apr 2019
Location: London - UK
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01-31-2021, 10:53 AM | #33 | |
Drives: 2023 ZL1 Vert M6 "Sharky" Join Date: Mar 2020
Location: Earth
Posts: 4,032
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But seriously, to everyone, what is different about this engine vs say a LS1 or LS2 in terms of oil? |
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01-31-2021, 11:04 AM | #34 |
Dumb Ass Deluxe
Drives: A Tricked Out Mountain Bike Join Date: Jun 2019
Location: Arizona
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"Most engine wear occurs in the first couple minutes after a cold start. Rich fuel mixtures wash lubrication from the cylinder walls. Thick oil doesn’t spray onto moving parts as easily, so using a winter grade oil will help reduce engine wear."
https://mechanics.stackexchange.com/...engine%20wear. If it gets the oil to the surfaces 14% quicker, you have less wear. If the oil is being filtered, instead of bypassed, you have less wear. If you drive your car hard, there is less wear. And, maybe, 0W-40 was still being tested in these engines in 16-18 and they concluded that it is a better choice than 5W-30, but the 5-30 isn't going to "break the bank" under "mild" driving.
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01-31-2021, 11:46 AM | #35 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,813
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That’s the oil cap that came on my ZL1 when it was built. Thank you but I don’t need anyone to pay for a part for me that is the wrong one!
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ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.
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01-31-2021, 11:59 AM | #36 | |
Drives: 6th gen Join Date: Aug 2013
Location: US
Posts: 3,676
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Now for my thoughts. I believe in 2017 the US mandated ultra low sulfur gasoline. dexos 2 works with low sulfur as it doesn’t have or need the additive pack(that also kills cats) to handle high amounts of sulfur. dexos 1 does have the pack to deal with high sulfur. Hence why dexos 2 is now used in light duty diesels since diesel went ulsd and a year after gasoline went low sulfur they spec dexos 2 for LTx...coincidence?. Jmho tho
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01-31-2021, 12:25 PM | #37 |
Drives: 2023 ZL1 Vert M6 "Sharky" Join Date: Mar 2020
Location: Earth
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I get that things get better, they almost always do and almost always will,
That said, I ran 5w-30 in my 2004 LS1 GTO for Hundreds (well over 300) of 1/4 mile passes in the high 11s. Along with 1000s of DD driven miles and a bunch of 150+ MPH runs. An engine inspection showed no significant ware. SO unless this engine is that much different to oil I am betting 5w-30 is just fine. |
01-31-2021, 12:40 PM | #38 |
Drives: Crush ZLE M6 | 2000 Corvette FRC Join Date: Jun 2010
Location: Cencal
Posts: 1,659
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Quick oil change question—I forget since my last ZL1.....is the drain bolt magnetic? And are there one or two of them? Thanks!
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01-31-2021, 12:56 PM | #39 | |
Drives: 2021 2SS Join Date: Jul 2020
Location: Cleveland
Posts: 299
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Quote:
Appears they have two data sheets floating around for M1 0W40 ESP... Perhaps it was updated or something along the way, but both data sheets note a Dexos 2 certification (although only one lists the license #). Weird. This one has it at 73 cSt at 40C: https://www.mobil.co.uk/en-gb/product/mobil-1-esp-0w-40 While this one has it at 69 cSt: https://www.mobil.com/en/lubricants/...formula-0w-40/ Either way, the M1 5W30 is still thinner at 40C (64 cSt). And the "regular" 5W30 is indeed, Dexos rated... Dexos 1 Gen 2. I am not talking about the ESP in the 5W30 grade. Anyway... At the end of the day, the 5W30 Dexos 1, Gen 2 was required in this engine, as people have noted already, for many years. They just recently decided to switch over, so it's not like engine go boom. Use what makes you feel all gitty at night, your engine likely could care less. |
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01-31-2021, 01:02 PM | #40 |
Drives: 2017 2SS Manual Join Date: Apr 2017
Location: Atlanta GA
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01-31-2021, 03:45 PM | #41 | |||
Drives: Chevrolet SS 1LE Join Date: Oct 2019
Location: St. Charles, MO
Posts: 1,446
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Quote:
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Matt Miller
2020 SS 1LE |
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01-31-2021, 06:53 PM | #42 |
Account Suspended
Drives: Fast if no one's looking Join Date: Aug 2019
Location: Cleveland, Ohio
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I have a 2019 and the manual recommends 0-40. My dealer used 0-40 on my free oil change.
Your dealer should too. 5-30 is for use as an alternative if 0-40 isn’t available. That’s engineering talk for “don’t be a cheapskate and just use 0-40 you fool” |
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