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Hey just saw a post on another forum where a guy said that letting a car idle and not taking off right away in the cold can cause damage because the rich fuel mixture the fuel can wash the oil from the cylinder walls causing cylinder wall wear? I tried searching BTOG forums for this but my...

So I'm looking at different spec sheets for ISO 46 compressor oil. LE, OEM Kaeser (ie.RP), Amsoil and a Noname. It seems they, if they list the four ball test, are each different. Two run the ASTM D-4172 but at different weight, rpm, and temp, and another shows a different ASTM D2783 test all...

Hey We are running a Rotary screw compressor in our plant, actually two. When it was first bought the company sold us on Synthetic oil and oil sampling. They'd come out take a sample and send us a report. Never explained what was on the report in detail. When the report said change filter or oil...

Hey guys I have tried using the search and joined here hoping it would yield more or better results. I didn't> I've a 1995 HD 883 that I've had since new. just short of 13,000 miles. While I have used different engine oils in the past I have always stuck to Harley Brand Primary Oil since it...