| Oil Test Results- Advice? [message #284346] |
Sat, 08 August 2015 21:18  |
George Beckman
Messages: 1085
Registered: October 2008
Location: Colfax, CA
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My engine has about 30K miles. It runs well but has always had a huge oil appetite. I did an oil test on oil that has been about 5,000 miles. During that time I suppose I have added 15 quarts. I gave up on such niceties as Mobil 1. Such is life.
I will also say that during this 5K run I have had two transmission problems and both times I ran for about 120 miles (each time) at about 3800-4000 RPMs to get it where it needed to be. I have no idea if that makes any difference.
Blackstone notes an increase in copper and lead and say it is probably coming from bearings.
My question is, should I venture out on a 4500 mile round trip?
Here is the report: http://graestone.org/GMC/2015_Oil_Test.pdf
Advice, please.
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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