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6082 miles on my M6 SS. 5000 miles since last oil change; 24% oil life on DIC display.
Have added 2 quarts since last oil change in 1/2 qt increments. So about 1 qt every 2500 mi. Spoke to dealer they said it was normal for the way i have been driving. The SA implied over 3k rpm and usage goes up. The consumption seems high to me though.
Although my 68 GTO Convert 400 HO 4 speed used about a quart per 3k mile dino oil change after a rebuild.
Don't use 6th much in the SS on the highway; cruising @ 3k rpm on the interstate or 2.5k-3k rpm on the back roads in 3rd or 4th. Each time i go out it seems i am into the 4K-5k rpm range in 2nd and 3rd pulling up hills or on straightaways once oil gets up to temp. The sound of the engine is addicting; NPP set to track. 6th seems like a 90 - 100+ mph gear to me. Anything less and the engine seems to be working too hard.
When i bought the car it had around 4 hrs of idle time and 56 miles on it. The dealer had taken it to a few local car shows; so who knows what happened at that time. Not sure if that had any effect on break in.
Did a consumption search late last summer and it seemed i was one of the higher consumption users.
I am wondering if the AC Delco oil gets too thin after its used for awhile; diluted by the blow by and then burns in its diluted form. Never was an EXXON/Mobil oil fan anyway. I might try a different oil; something more stable. I have some Redline in the basement and a new PF64 filter. Maybe i will give that a try; still thinking about that; although i have 1 more free oil change from GM to use. Just rambling now; time to press Post Reply.
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