For over two decades, car enthusiasts have debated the ideal oil change frequency. The traditional guideline of 3,000 miles has since evolved, with many manuals now recommending intervals as long as 10,000 miles, aided by advancements in oil technology and engine design. Despite this shift, many drivers find it hard to trust the updated guidance. A new video by Certified Lubrication Specialist Lake Speed Jr. addresses these concerns by critiquing the advice in owner’s manuals and analyzing data from thousands of used oil samples collected during engine break-in periods.

To ensure optimal oil change decisions, Speed outlines a systematic approach:

1. Follow OEM Recommendations: Perform two early oil changes during break-in (500-1,000 miles and 3,000-4,000 miles).
2. Sample Oil: Take used oil samples at each change to track wear rates.
3. Evaluate Wear Rates: Change oil at 5,000 miles and sample. If wear exceeds 5 ppm per 1,000 miles, proceed to Step 4.
4. Viscosity Adjustment: If necessary, switch to a higher viscosity oil and monitor wear rates.
5. Brand Experimentation: If wear rates remain high, try a different oil brand while maintaining the same viscosity.

This iterative process, guided by oil analysis, helps determine the best possible oil and change interval for each engine. For further details, visit Speediagnostix.

Source: bangshift.com