How offen do you add engine oil?
Melting Slicks
Joined: Dec 2006
Posts: 2,935
Likes: 0
From: Fayette County Georgia
[QUOTE=VRROOOM2;1564250871]Knock on wood but mine only needs oil when I change it... Of course most folks know I don't drive mine so I'm not sure I count....
[/QUOTE
Each of mine are driven about 5,000 mile/year. I've also never had to add oil outside of an oil change.
[/QUOTEEach of mine are driven about 5,000 mile/year. I've also never had to add oil outside of an oil change.
Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
Over 3K RPM shifts as well as a lot of stop and go traffic using a lot of downshifting can cause increased oil consumption. I'm adding a quart about half way on oil changes. I'm getting about 8K on an oil change so about 4K, depending on how I drive it.
Here is the TSB on excess oil consumption:
CAC Knowledgebase
Here is the TSB on excess oil consumption:
CAC Knowledgebase
Pro
Joined: Feb 2005
Posts: 591
Likes: 1
From: Moore South Carolina
Oil consumption is not uncommon as noted in the post above. If you will search, and look in the FI forum particularly, oil into the intake manifold and out the exhaust occurs at higher rpm's and 1 qt between oil changes does not necessarily indicate a problem - it can be more a function of driving habits and our engine's design.
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From: In a parallel universe. Currently own 2014 Stingray Coupe.
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I don't add any oil between oil changes. 
Team Owner
Joined: Aug 2003
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From: Kerrville, Texas USA Hook 'em Horns!
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I have a modded car and drive it hard sometimes. I only put oil in during changes. My car has about 50K miles on it.
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Same here.
but 190K miles
Instructor
Joined: Sep 2007
Posts: 130
Likes: 0
From: Eugene Oregon
Excessive Oil Consumption
I also have a low mileage 99 that I bought last year. It had excessive oil consumption...worse than yours....about a quart every 300 miles. Although your consumption doesn't sound bad, there is a factory technical service bulletin you probably want review re excessive oil consumption: 01-06-01-023A. You can find it in the knowledgebase section of www.corvetteactioncenter.com. Although I bought my car from a private party, my local dealer went to bat for me with Chevy and Chevy agreed to pay 70% of the fix (which involves new rings). I thought that was fair given that the car was 8 years old and long off of warranty. When the engine was torn down, it turned out that two pistons were missing the oil consumption rings entirely! Chevy stood up and paid for the entire fix rather than just 70%. Kudos to my dealer and to Chevy. Good luck with your situation.
Racer
Joined: Jul 2007
Posts: 271
Likes: 0
From: St. Louis MO
Never had to add oil
My C4 which I purchased at 50,000 and now has 177,000. This was my daily driver for four years, and I am an "aggressive" driver, but it has never needed oil between changes, in fact, one of the first things I did when I bought it was to put a can of oil in my emergency bag..............it has never been used.
I added a C5 AE Vert to my stable last June, it had 8000 miles when I got it, has 11,000 miles on it now, I have yet to add oil to it before a change.
I added a C5 AE Vert to my stable last June, it had 8000 miles when I got it, has 11,000 miles on it now, I have yet to add oil to it before a change.
