08-03-2018, 11:34 AM | #1 |
Drives: 2011 Vistory Red 1LS Join Date: May 2018
Location: Missouri
Posts: 487
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Oil Question
What's the difference between regular oil and oil for high mileage vehicles?
I changed my oil a couple of weeks ago. I use Valvoline 5W-30 dexos rated full synthetic. I noticed the parts store had 5qt jugs on sale so I bought one of those and a single quart to go with it. I didn't notice until I started the oil change that the big jug was high mileage stuff. I didn't figure it would hurt any so I used it, but I was just curious and I haven't posted a dumb question in a while.
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The Original Farm Rat
2011 1LS M6 Victory Red Sold 1967 Coupe Green and White 1969 SS 396 Hugger Orange 1969 Z/28 All original White with deluxe interior 1970 RS Blue 1978 Coupe Fugly Green 1978 WS-6 Trans-Am Factory 4 speed 1985 IROC-Z Red |
08-03-2018, 11:35 AM | #2 |
Drives: 2011 convertible 2ss/rs Join Date: Sep 2015
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Probably more additives in the high mileage
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08-03-2018, 01:21 PM | #3 |
Drives: 2012 2SS/RS, 1968 SS Join Date: Feb 2012
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Yep! Just a few more additives to the oil. You aren't harming anything, you are fine to switch between the 2, or even mix them.
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08-03-2018, 01:24 PM | #4 |
Drives: 2011 Vistory Red 1LS Join Date: May 2018
Location: Missouri
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Thanks, that's what I did. I had the oil drained before I realized it.
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The Original Farm Rat
2011 1LS M6 Victory Red Sold 1967 Coupe Green and White 1969 SS 396 Hugger Orange 1969 Z/28 All original White with deluxe interior 1970 RS Blue 1978 Coupe Fugly Green 1978 WS-6 Trans-Am Factory 4 speed 1985 IROC-Z Red |
08-03-2018, 08:17 PM | #5 |
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
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I was under the impression the extra additives were for seal reconditioning. In some cases, they cause seals to swell a bit.
Maybe I'm thinking of something else though.
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08-03-2018, 08:45 PM | #6 |
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I think you are right..I have tried switching high mileage vehicles over to the high mileage oil with hope of decreased leaks, but results have been "so-so"..
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