04-24-2024, 01:32 PM | #1 |
Drives: 2018 Camaro ZL1 Convertable Join Date: Dec 2020
Location: MI
Posts: 6
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GM reccomends switching to 10W40??
I have a 2018 ZL1 M6. My son is a salesman at the dealership that I purchased the ZL1 at. He just told me that the service tech that I usually deal with informed him that GM has changed or "updated" the oil requirements for the ZL1 from 5W30 to 10W40. Has anyone heard of this?
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04-24-2024, 01:40 PM | #2 |
Drives: 23 LT1/22 Colorado TB/69 Chevelle Join Date: Jun 2006
Location: Greenville, Tx
Posts: 4,978
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0W40, not 10W40. Specifically, Mobil 1 Supercar 0W40.
https://www.chevrolet.com/content/da...DF-5-15-23.pdf |
04-24-2024, 01:46 PM | #3 | |
376 cubic inches of fun
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04-24-2024, 01:49 PM | #4 | |
Drives: 2018 Camaro ZL1 Convertable Join Date: Dec 2020
Location: MI
Posts: 6
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04-24-2024, 02:41 PM | #5 |
Drives: 23 ZL1 A10 Rapid Blue Join Date: Aug 2020
Location: MO
Posts: 2,003
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This is why you never let them touch your car.
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04-24-2024, 02:52 PM | #6 |
Drives: Hyper Blue 2016 2SS 6M Join Date: Sep 2017
Location: North Ga
Posts: 1,792
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The OP's son is a salesman. I imagine that he misinterpreted the tech's comment on oil recommdations. It would be strange for the dealership to purchase oil in a grade not recommended for the vehicles that they sell.
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2016 Hyper Blue 2SS/6m/MRC/NPP/Silver Rally stripes/ZL1 wheels & brakes/GForce DS and axles/ZLE Cradle Bushings/FE4 ARB front & rear/SEMA Grill/Rotofab dry/95mm TB/Magnuson 2300/Full LT4 fuel system/JMS boost-a-pump/E85 Sensor/Ported CID heads from LME/Cammotion PD cam/Thompson Motorsports forged shortblock/catted Kooks 1 7/8 headers /JRE remote tuned |
04-24-2024, 02:55 PM | #7 |
Drives: 23 ZL1 A10 Rapid Blue Join Date: Aug 2020
Location: MO
Posts: 2,003
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Or OP didn't understand it but point remains...
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04-24-2024, 04:08 PM | #8 |
Drives: 2022 1SS 1LE A10 BCD WCT+PDR Join Date: Mar 2008
Location: Johnstown, PA
Posts: 3,229
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2022 1SS 1LE A10 BCD WCT+PDR2014 1SS 1LE NPP RECARO SIM-SOLD1995 Z28 M6 GSC PGM-SOLD1975 NOVA COUPE 300HP 350 TH350 FLASH RED-SOLD
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04-24-2024, 05:42 PM | #9 |
Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 3,584
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LME started this engine out on 0W40 conventional which I'm about to change to Supercar synthetic
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'20 ZL1 1LE A10.
LME 390, E2650, FBO, 100 oct. Not a DD. |
04-24-2024, 07:27 PM | #10 | |
Drives: '19 ZL1 1LE A10 ShadowGrayMetallic Join Date: Mar 2019
Location: California
Posts: 184
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04-24-2024, 07:40 PM | #11 |
Drives: 2020 Chevy Camaro ZL1 Join Date: Apr 2023
Location: Calgary Canada
Posts: 1,550
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keep it simple stupid (my self) amsoil 0-40.
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04-24-2024, 11:18 PM | #12 | |
Drives: 2018 Camaro ZL1 Join Date: Aug 2018
Location: Georgia
Posts: 1,374
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Quote:
Did they send it a letter telling owners that the new recommend oil was that? No. 5w30 is the recommend oil for 2017 - 2018 ZL1s and still is. |
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04-25-2024, 06:15 AM | #13 |
Drives: 2020 Camaro ZL1 Join Date: Oct 2020
Location: Fort Worth, Texas
Posts: 1,162
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No it wouldn't be, last dealer i took mine too because I was being lazy wanted to use the "European" formula on mine....i said no thanks....
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04-25-2024, 07:41 AM | #14 |
Coupe Newbie
Drives: 2017 ZL1, 2021 Corvette Convertible Join Date: Jul 2011
Location: Columbus, Ohio
Posts: 3,291
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I have a ‘17 and I have been running Mobil 1 ESP 0W40 (now labeled Supercar) oil since 2018. Yes, the owner’s manual states 5W30 oil for the ‘17 and ‘18s but there are no changes in the ‘19 and above ZL1 LT4 except for some hoses wrapped in plastic tubing instead tape and a supposedly updated oil pump.
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