quote:But...if you were to have a quick drain valve, you could get the oil flowing, wait about 45 seconds or so, take a sample, and then close it back up again. You'd lose a lot less oil this way, plus you'd get a good sample since the oil had been flowing for a little while. [ June 11, 2002, 03:47 PM: Message edited by: Patman ]
Originally posted by Al: Generally its best to get the oil sample at the approximate middle of the sump, not at the drain. Thats how its done in industry and also good oil analysis places allow you to go down the tube to get a better sample.