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protovack · 02-13-2018, 09:33 PM

Here is the consensus as far as I can tell. The ring seating is done at the factory and there's nothing you can do to change that. You can't make the rings seat better by doing acceleration/deceleration cycles. They already did that. The rings are seated. Beyond that, you are basically taking it easy while the parts break in. A few hundred miles, should be good. There are mechanics on here that have said the 1500 mile break in is too long, and from what I've seen, a 500 mile break in period is sufficient, but you do have to vary the RPMs. 500 highway miles in 8th gear at 1000rpm may not be an adequate break-in. Perhaps this is why Chevy recommends 1500?

02-13-2018, 09:33 PM	#9
protovack Drives: 2019 2LT 2.0T M6 Riverside Blue Join Date: Jan 2018 Location: WA Posts: 847	Here is the consensus as far as I can tell. The ring seating is done at the factory and there's nothing you can do to change that. You can't make the rings seat better by doing acceleration/deceleration cycles. They already did that. The rings are seated. Beyond that, you are basically taking it easy while the parts break in. A few hundred miles, should be good. There are mechanics on here that have said the 1500 mile break in is too long, and from what I've seen, a 500 mile break in period is sufficient, but you do have to vary the RPMs. 500 highway miles in 8th gear at 1000rpm may not be an adequate break-in. Perhaps this is why Chevy recommends 1500?