Oil analysis question

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172
Location
Music City, TN
I just switched from Chevron Supreme dino to Schaeffers 7000 Supreme 5W-30 in both my Honda 2000 Accord and my Honda 2002 CRV-EX this weekend. The Accord has 38K and the CRV has 21K miles. Would I be better off doing an oil analysis when I change the oil next time or should I wait until the 2nd change using the Schaeffers? Or should it even matter? My wife puts more miles on the CRV and it will be next for a change. I was considering going 5,000 miles and taking a sample for analysis, changing the filter, and topping off until the analysis results come back...hoping to go another 3-5K after that if analysis warrants additional interval. Would if be beneficial (or just wasteful) to do a complete change at 5K and then proceed with this plan the next time around?
 

Patman

Staff member
Messages
21,989
Location
Oakville, Ontario
You will see better results on a second interval with the same oil, but it doesn't mean you shouldn't do an analysis on the first interval either. I still do it just because I'm curious (and an oil analysis addict!) [Big Grin] Once you've gone to the second interval, the moly will be plated up fully and the second interval will show better numbers for wear, oxidation, TBN retention etc. So it's a better representation of the oil for sure. [ January 06, 2003, 04:59 PM: Message edited by: Patman ]
 
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