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Formula413 · 10-01-2008, 10:45 PM

FWIW, I have seen people cite used oil analysis done on the same engine run with a K&N filter and a disposable paper filter, and the oil that was run when the K&N was in use showed higher amounts of silica. Which isn't hard to believe if you think about it, more airflow = less filtration.

10-01-2008, 10:45 PM	#10 (permalink)
Formula413 Renaissance Man Join Date: Jan 2008 Location: 42N 72W Posts: 505 Sleepwalker - '97 Firebird Formula 90 day: 20.04 mpg (US) Spock - '92 VN750 Vulcan 90 day: 49.39 mpg (US) 03MX - '03 Civic Hybrid 90 day: 49.04 mpg (US) Thanks: 9 Thanked 10 Times in 8 Posts	FWIW, I have seen people cite used oil analysis done on the same engine run with a K&N filter and a disposable paper filter, and the oil that was run when the K&N was in use showed higher amounts of silica. Which isn't hard to believe if you think about it, more airflow = less filtration. __________________ More choices...