hzjcm8
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Everything posted by hzjcm8
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Larry,
You can run a non-synthetic for 25,000 miles but I'd still check it yearly for contamination. You can go to www.jglubricantservices.com for analysis kits and supplies. I started this company after retiring from GM and Allison. You'll find we have the lowest prices and great turn around time (24-48 hours).