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Break-in period and fluids for ZL1?
Hello All,
Although I am not new to vehicles in general, I am new to the ZL1. It's been a whole 2 months since I got my 2023 ZL1
On that note, I was able to find a main post that talks about fluids and break ins.
From the info gather I will do unless the consensus says differently:
Engine oil: At 500 miles then again at 1,500 miles.
Diff: At 500 miles then again at 1,500 miles
M6 Trans : 1,500 miles
The guide that I have attached here states to do it at 500 miles but does not go further than that. The owner's manual says not to rev engine past 4k RPM's before 1,500 miles on the odometer, which tells me engine is still breaking. So at 1,500 miles, another oil change is due.
Question is: If engine is still breaking in AT 500 miles, am I going to put the full synthetic oil that GM sells back in at 500 miles??
Which normally would not be advisable when an engine is breaking in. Historically, factory engines have "break-in" lube/oil then you drain it when the break-in period is done with. But, at 500 miles, seems "break-in isn't done with yet?
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