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Old 11-11-2013, 11:12 AM
bsmith79 bsmith79 is offline
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Location: Junction City, Kansas
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Originally Posted by spoiler View Post
Every 5k on the odometer… only because the math is easy and I change it myself….. seriously…. it seems dumb at low milage because I can do the math at any interval but when I get in the 80-120k I always used to forget so I switched to easy math.
I know what you mean about easy math. I use to change oil based on average speed multiplied by the square root of the sum of rear wheel torque and ambient temperature divided by the days of the month squared times a number I dreamed up multiplied by engine oil capacity divided by max horsepower cubed minus pi.

Now I just go by the oil indicator thingy.

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