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Posted by chris case [75.36.46.115] on Sunday, May 13, 2012 at 17:44:45 :
In Reply to: oil ananysis posted by Mike McClintock [66.82.162.41] on Sunday, May 13, 2012 at 08:35:29 :
Okay, I don't really know whether the PPM is useful, but bitterness is easily detected by the tongue. Fresh motor oil is like corn oil, no taste, really only feel of oiliness. Old oil gets rancid- sour, bitter, acidy.
You needn't lock the dipstick either. Just get one drop on your fingertip, spread it with the thumb, and then touch it to your tongue.