High Millage Oil


Old 02-27-03, 06:23 PM
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Join Date: May 2001
Location: USA
Posts: 124
High Millage Oil

I ran high millage oil in my car last time I changed the oil in my 1994 Camaro 3.4 L V6 with 80,000 miles. I have heard after I changed it that it will cause my gaskets to swell, eventually leading to failure. Is this true? What should I do, continue using high millage oil or should I go back to a conventional oil.

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Old 02-27-03, 06:36 PM
darrell McCoy
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I would not have used the "High mileage" oil to begin with. Simply use a good quality motor oil that meets spec's and a good quality filter every 2500 to 3000 miles, thats all you need. I do not forsee any gasket problem by using the High mileage oil one time as you mentioned.
Old 02-27-03, 08:09 PM
Join Date: Jul 2002
Location: corona Ca.
Posts: 471
you do not have "high Milage"

An good engine should just be broken in around 80k. My 5.0 stang has 182k, and I am just considering it high milage now.

Just change your oil exactly as recommended in the owners manual for the life of the vehicle and you should be fine.
Old 02-27-03, 09:38 PM
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High mileage oil is a marketing ploy in most cases. Just use as other mentioned, the proper grade and change it every 3k with a quality filter and there should be no problems.

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