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#1
02-02-2007, 02:02 PM
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Is High Mileage oil Worth it?
My 2003 Impala is due for a oild change. At 215,000 km (134,000 miles) I was wondering if it is worth it to use the high mileage oils? I have just been using standard 10W30.
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#2
02-02-2007, 03:39 PM
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Re: Is High Mileage oil Worth it?
Quote:
It is better to change over on a lower mileage engine. But either way you go remember the oil filter is what keeps the oil clean. Regular or high mileage oil will get dirty. The dirt is what wears the engine. Always use a good oil filter and keep it changed regular.
__________________
Remember proper testing gives us the answer to many problems. MT
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#3
02-02-2007, 04:12 PM
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Re: Is High Mileage oil Worth it?
The only difference between high mileage and regular oil is the additive package. The high mileage oils have more seal conditioners in them to supposedly keep rubber seals and gaskets soft and pliable. It's a marketing gimmick that has limited if any real world advantages.
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#4
02-02-2007, 10:27 PM
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Re: Is High Mileage oil Worth it?
I was going to do a test run reg oil and see how many miles before the change oil light comes on, and run high milage oil and see If I get more miles before the light comes on...If this is a stupid test let me know and I won't try it.
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#5
02-02-2007, 10:36 PM
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Re: Is High Mileage oil Worth it?
you probably want to change your oil more often then that lol
__________________
 96 EJ6. Future home of boosted B18C1.
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#6
02-02-2007, 11:10 PM
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Re: Is High Mileage oil Worth it?
Quote:
__________________
Thought for the Day… Alcohol does not make you fat - It makes you lean... against tables, chairs, floors, walls and ugly people.  If a prostitute here in America loses her job to a prostitute in India , is that considered "outwhoring"??-Jay Leno
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#7
02-05-2007, 09:07 AM
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Re: Is High Mileage oil Worth it?
How does the change oil light work? I reset it everytime I change my oil but it never comes on. I change my oil every 5000 K though. Does the oil light actually test the viscosity of the oil?
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#8
02-05-2007, 09:55 AM
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Re: Is High Mileage oil Worth it?
Quote:
The pcm calculates mileage and driving conditions to turn on light. It usually does not come on untill you have 7K sometimes more or less. Best to use the mileage reading. 
__________________
Remember proper testing gives us the answer to many problems. MT
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