Quote:
Originally Posted by KingLT1
That 0w20 isn't helping those L87's. Funny how the bottom end issues started when GM started recommending that weight oil instead of 5w30 or 0w40.
I doubt you are going to have any issues with your engine either way. Just change the oil frequently and use something thicker than water. I don't care what they say about cold start protection it's bullshit. They just want the oil and engine to get up to temp faster for emission purposes.
These vehicle manufacturers have been strong armed into cutting corners at the expense of reliability for EPA regs. GM isn't the only one with these problems.
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Completely agree that 0W20 is bad for these motors, but I still believe there is something wrong with the post covid cars. There are way more failures with those versus the precovid cars it seems like. The L87 came out in 2019, the recall is for 21-24. I think there is some truth to the cranks being bad (either due to poor maching or contamination as they claim) and I believe it has to do with GM cutting costs in quality to improve shareholder value.