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2025 C8 Stingray of the Year Finalist - Unmodified
2024 C8 of the Year Finalist - Unmodified
Early Oil Change?
New '25 Z51 coupe. Runs fantastic,with no issues. Is a oil change at 1,500 miles at 82% Oil Life beneficial in any way (other than piece of mind) or a waste of money? Master Corvette Tech at a dealer told me he would do it if it was his. What say you?
New '25 Z51 coupe. Runs fantastic,with no issues. Is a oil change at 1,500 miles at 82% Oil Life beneficial in any way (other than piece of mind) or a waste of money? Master Corvette Tech at a dealer told me he would do it if it was his. What say you?
Yea
Nay
Yes. First early oil change is a good idea. Removes metals and manufacturing contaminants as well as getting rid of oil that has a higher fuel dilution due to breakin. I have oil analysis that bares this out.
I did one at about 25 miles just because, wanted to do one.. plus have a lift in my garage so not a huge undertaking.. will do the free one next month at about 7500 abd then will do them every 5kl
Objectively yes multiple early oil changes is a good thing and has an effect. You only realize the benefits later in the engine's life and only if you perform all the proper scheduled maintenance on time.
How much of a difference that can make though is hard to say. The motor could just be a Monday motor and not do very well no matter what. Or it could be that it's precariously close to having an issue and aggressive maintenance keeps it in check. Or you have a freak of a motor that doesn't know the word quit.
Personally I changed the oil when I bought the car with 1600 miles on it. The. Again at 6000 miles. My OCI is about 4500-5500 miles.
I'm probably gonna do mine at 1000-1500 miles to get all the break in gunk out. My buddy uses a dealer that lets you bring them the oil and they just charge for the labor and filter
Well, you will get a lot of yeses. And a lot of nos. I think folks that have done analysis after an early oil change can show that the level of contaminants is a bit higher then it will be later on after subsequent changes at the specified intervals. The question really (in my opinion) is does that really make any difference in longevity or performance? I'm not sure there is any data to support or disprove that. I'm sure that GM ran the same oil analysis, or even more in-depth, and maybe even also (guessing now) evaluated actual engine wear, and is well aware that the contaminant level is higher early on. If your goal is to get it out of there then do it.
I changed mine at 2500 miles because of the 1 year requirement.
The biggest chucks of metal break off first.
1500 miles, sure, why not?
(I did not take the time to watch the above videos - so only my 2 cent comments here)
It is only money, no engine harm.
Especially if you DIY, it can be a fun hobby/ experience.
If you want to really get technical with science watch Lake's latest video.
I wish he would have mentioned exactly which base group and additive package Mobil Supercar oil uses.
Anybody know for sure?
Had my 2025 Eray now for 4 months and mileage is 1,200 miles... Asked my Chevy dealer today and they recommended and I am going to have my oil and filter changed next week... Checked what I did with the only other Corvette I've ever owned, a new 2012 Grand Sport. Had the oil and filter changed in that car at 2,200 miles in 2012... So a bit earlier for this new Eray... A good thing to do IMO...
I changed mine early, just before 1500 miles, but only because I was headed to the NCM track to do the lead / follow laps there. If I hadn't been doing that, I would probably have waited until the OLM told me to change it.
Well, you will get a lot of yeses. And a lot of nos. I think folks that have done analysis after an early oil change can show that the level of contaminants is a bit higher then it will be later on after subsequent changes at the specified intervals. The question really (in my opinion) is does that really make any difference in longevity or performance? I'm not sure there is any data to support or disprove that. I'm sure that GM ran the same oil analysis, or even more in-depth, and maybe even also (guessing now) evaluated actual engine wear, and is well aware that the contaminant level is higher early on. If your goal is to get it out of there then do it.
I changed mine at 2500 miles because of the 1 year requirement.
While GM probably ran the same analysis, I don't believe they have any interest on increasing the longevity of our engines beyond the warranty period. Call me cynical, but i believe manufacturers analyze things to see where they can save $. I agree there is no definitive proof that removing those additional wear metals found in the first oil change would cause any lasting damage if left until the regular change interval, but what's the cost of an extra oil change compared to the cost of an engine failure?
While GM probably ran the same analysis, I don't believe they have any interest on increasing the longevity of our engines beyond the warranty period. Call me cynical, but i believe manufacturers analyze things to see where they can save $. I agree there is no definitive proof that removing those additional wear metals found in the first oil change would cause any lasting damage if left until the regular change interval, but what's the cost of an extra oil change compared to the cost of an engine failure?
Future sales is a reason for longevity beyond the warranty. Look at the fans of Toyota and Lexus. If my car fails just out of warranty and it is a common problem I'm not buying their brand again so it didn't do that manufacturer any good. If I have a car that lasted well beyond the warranty then I'll likely consider that brand again for a replacement. Most people feel the same way.
2025 C8 Stingray of the Year Finalist - Unmodified
2024 C8 of the Year Finalist - Unmodified
Thanks for all the replies. After giving it some thought I decided not to overthink it and used the complimentary oil change at 1,700 miles for possible benefit and peace of mind.
Future sales is a reason for longevity beyond the warranty. Look at the fans of Toyota and Lexus. If my car fails just out of warranty and it is a common problem I'm not buying their brand again so it didn't do that manufacturer any good. If I have a car that lasted well beyond the warranty then I'll likely consider that brand again for a replacement. Most people feel the same way.
My point wasn't that GM is building the cars to only last for the warranty period, but that given that it's not likely that damage from additional wear metals from break-in would show up until well past that point, that wouldn't be the focus of their analysis. GM doesn't exactly have Toyota/ Lexus' reputation for quality, and even those brands probably aren't spending any time analyzing whether an early oil change is the difference between a motor lasting for 150k or 200k miles. I'm new to Corvette ownership and have never purchased a new GM product before, but based on what I'm reading here and seeing elsewhere there aren't a ton of 200k mile Corvettes out there to sample.
Can someone point to where or even if this "first oil change and filter is covered by GM" appears in the Owner's Manual or in the Warranty Manual??? I've certainly received mailings from GM stating this first oil change is covered but I'm just curious as to where it might be in the owner's documentation... Also, does this GM covered first oil change expire after one year??? I am about to go have an early oil change (~ 1,300 miles) and I'm trying to decide if I need to use the GM covered oil change NOW... I think likely YES but I'm just trying to understand the GM policy on this... Also, I've heard that it used to be that the GM covered oil change was once coupled to the requirement to replace the DCT filter at 7,500 miles but that such is no longer the case... That instead the GM covered oil change can be done separately... I don't drive lots of miles so it will be a while before I approach 7,500 miles... Any help??? thanks...
Early Oil Change?
