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My dealer said every 15,000 miles. I have always changed my oil every 3,000 miles and plan to continue doing so unless there is an overwhelming concensus that it is a waste of money.
 

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Do it when the DIC tells you to. I'll do it when the oil life gets to about 25%. That was also recommended by c4c5specialist.

The days of changing oil every 3K miles are over, ESPECIALLY when running synthetic. The DIC has a nice algorithm that takes all kinds of things in to consideration.... rpm, speed, cold starts, age...etc, etc.
 

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I change mine every 3000 miles. :)

Sherylann changes hers every 5000 miles. :( Or should I say I am the one to take her Z to the dealer for the oil change. :roll: It's the only time let's me drive her Z, so I run that crap out of it when I drive it. :lol:
 

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My DIC is down to 13% and I have about 8,700 miles since my first change at 900 miles. I will probably wait until it gets close to 0% which should not too far from 10,000 miles since my last change. I have only had to add one quart at about 7,400 miles.
 

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I'm planning on 5000 miles MAX, or when the DIC says 50% -- which ever one happens first. I figure running it to 10,000+ miles is alittle much, and since Mobil 1 is about $4/qt if you buy it by the case, it's really not going to cost that much more in the long run.
 

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My suggestion to all the R8C customers is 7,500 miles. This is half what Chevrolet recommends. That should be about 50% on the DIC. Like said previously the 3K mark is old school.....it is quite expensive to change the oil on this car, so make maximum use of it if you can.
 

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When i take delivery of my car i plan during break -in to change at 500 miles(install magnetic drain plug) then change at 1000 miles break-in complete.Then i'll change every 3000 miles(cheap insurance).G:D
 

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Torched -- just my opinion, but changing at 500 and then again at 1000 will buy you nothing. I'm going to do the 1st oil change at 1000 miles -- that should be plenty of running to get all the breaking wear out of the way.
 

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Don't forget the "secret button" underneath the car for the oil change procedure.:eek:
 
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