NEW Engine BREAK-IN: Truth or MYTH?

Back in the day, new engines required a break-in period. With today's modern manufacturing techniques and material technology, do modern vehicles still require a break-in period? In this video, we utilizes the analytical power of used oil analysis to determine the truth.

In a previous video, I changed the oil in my daughter's new Toyota Corolla before it had 1,000 miles on it. Here's the link to that video:    • AVOID the ONE MISTAKE Almost EVERYONE...   , but many viewers commented and questioned if that was necessary on a modern vehicle. Since this channel relies on science instead of speculation, I took a second oil sample at at 3,000 miles to compare the wear trend. If the wear rate changes, then the engine is still breaking in, but if the wear rate doesn't change, then the engine was already broken-in. The oil analysis results will reveal the answer. Do modern engines still require break-in? Let find out!

Since we are talking about oil changes, here are some links to previous videos on oil filters and oil change procedures:

Should you pre-fill an oil filter?
   • Does Pre-FILLING The Oil FILTER Cause...  

If your oil filter is vertically or horizontally mounted, here's a Short that shows you how to prime the filter before firing the engine:    • Oil Change Hack For Vertically or Hor...  

For more from the Motor Oil Geek, check out    • Motor Oil & Lubrication  

For how to properly break-in a new engine, check this out:    • How To Break-In An Engine - Watch BEF...  

For more about Oil Analysis, check out: https://www.speediagnostix.com

The oil analysis results showed that the Toyota Genuine 0W-16 did a great job. It is available at https://amzn.to/3t1iN5H

Who is the ‪@themotoroilgeek‬? I'm a Society of Tribologists and Lubrication Engineers Certified Lubrication Specialist and Oil Monitoring Analyst (I've maintained both of those for over a decade). I also worked for Joe Gibbs Racing for 12 years as their lubricant specialist. During that time, we worked with Wix Filters (one of our sponsors) to test and develop filters for our race engines. We also worked with Lubrizol and Chevron-Phillips Chemical to test and develop oils for our race cars. Following that, I was the head of R&D for Driven Racing Oil. During that time, I formulated and tested over 50 products. We also worked with Cummins, Comp Cams, Oak Ridge National Labs and General Motors on various R&D products. Those efforts are recorded in peer reviewed white papers published by SAE International and ACS Sustainable Chemistry journals. I also own and operate SPEEDiagnostix, which provides used oil analysis.

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