Feel like switching into the realm of high mileage oils. car has 122k. Clearances probably loosened up so i want to feed it with thicker stuff. Engine seems a little louder now and oil consumption is about 1/4 quart to 1/2 quart every 5000 miles(been like this since i bought it with 55k). Would you use maxlife or maxlife nextgen? http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2376171#Post2376171 came across this uoa and showed maxlife with a tbn of 4.3 still after 4.1k miles..appears to be longer lasting than other valvoline products, but you know, cant judge based on one uoa and on one motor. Which would you use?