Forum Discussion
prstlk
Nov 25, 2015Explorer
I'm a big believer in oil analysis. Blackstone is who I use. Take a sample send it in (they provide the container). They email and snail mail a comprehensive report of your results and excepted parameters. Allison says 100k or 1 year. My last analysis shows I'm still good, 8 years old 48k miles.
Jw
Jw
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