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Old 12-08-2007, 12:43 PM   #1
Richard Hoblitt
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The manual says to change the oil when the percentage gets down to 20 % or so. I have been changing it every 3500 to 4000 miles or around 60%. I rather error on the safe side. How often do you guys change your oil. Do most of you use dino oil or sny.
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Old 12-08-2007, 04:46 PM   #2
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I normally try to change it between 40-20%. I use mobil one 5-30 synthetic.
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Old 12-08-2007, 05:58 PM   #3
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Quote:
Originally Posted by Richard Hoblitt View Post
The manual says to change the oil when the percentage gets down to 20 % or so. I have been changing it every 3500 to 4000 miles or around 60%. I rather error on the safe side. How often do you guys change your oil. Do most of you use dino oil or sny.
Wow! I'm already down to 59% w/ just over 2K miles on this oil change. How do you manage 3500 - 4000 miles to 60%?

Oh, and Mobil 1 synthetic all the way! :thumbsup:
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Old 12-08-2007, 06:30 PM   #4
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0% Mobil 1 5W30
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Old 12-08-2007, 06:53 PM   #5
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Originally Posted by HofB99 View Post
Wow! I'm already down to 59% w/ just over 2K miles on this oil change. How do you manage 3500 - 4000 miles to 60%?

Oh, and Mobil 1 synthetic all the way! :thumbsup:
You must have a heavy right foot!
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Old 12-08-2007, 08:59 PM   #6
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Changed it at 1000 mi. and will change it every 3K. Current mileage is 1115.
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Old 12-09-2007, 12:39 AM   #7
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my 2 cents worth- I run my 03 down to about 15%- usually about 6500 miles, using shaeffer semi syn- oil samples come back great after 67,000 miles- oh yeah- I run 10-30 instead of 5-30.
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Old 12-09-2007, 12:59 AM   #8
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Yo lugnut, do you live in the southern US? Just wondering about the 10W as opposed to 5W...
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Old 12-09-2007, 09:24 AM   #9
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I haven't been a mechanic in over 20 years, however, if I remember correctly, using 10w instead of the recommended 5w, you could actually be doing damage to your engine reguardless of where you live. The first number is the viscosity rating of the oil when cold. This means that if you up to 10w you are making your engine starve, or work much harder to circulate oil at start up. The oil ports in the engine are made a certain size to enable temperature control and lubrication. The oil pump may not be able to move the appropriate oil through the engine when needed most, at start up. There are some vehicles, like Mercedes and BMW that are using 0w to help the engine get more oil at the initial crank instead of several hundred revolutions. Even in cold weather the 0w rating doesn't mean the oil will freeze. It means you are getting more oil to your engine much faster. You may want to reconsider the 10w vice 5w.
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Old 12-09-2007, 11:11 AM   #10
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:thumbsup: Most of my driving is hwy, thus the 60% for 3 to 4000 miles. I think i have enough miles on it now to switch to mobil 1. next oil change. Sounds like most of you use it and thats good enough for me.
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