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Discussion Starter #1
Just got my 05 GTO about three months ago. And I am so in love with her. I still get a huge smile every time I mash that gas pedal and she roars out and throws me back in my seat. She is a daily driver. I have been using an octane booster about one a month I used Seafoam in the gas tank when I first got her. And I just did a Seafoam induction today, and I put a little in the crank case today too. I even clean the radiator off every once in a while. This is my first performance machine and I want her to be in peak condition all the time. Am I over doing it? Is there any thing else I can be doing to keep her at her very best, so I can enjoy her for a long time.


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How many miles are on the car? Do you have any engine mods? How many other owners have there been?

What you have done seems reasonable if you are a believer in the additives route (Seafoam). Have you seen any performance or mpg improvements?
I have personally gone to a 5K oil change interval on numerous recommendations (since I only use synthetic).
 

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I changed my oil in my 04 when the DIC told me. It was def over 5000 miles per change on dino oil. The Z06 uses Mobil 1 and the DIC usually goes 8500 miles between changes.

I would save your money on the octane booster. It really doesn't work.

You also don't really need to Seafoam it. Maybe ever couple of years its worth it but I wouldn't be doing it on a regular basis.
 

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Discussion Starter #4
I have 66k on the odometer. I'm going to change the oil this weekend for the first time since I owned the car. Definitely putting synthetic in. The carfax showed one owner and it looks like they had their dealership do all the maintenance. That was a selling point for me.

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Only mods are a k&n filter and flowmaster exhaust. Both were on the car when I bought it. What is "DIC"? I'm not noticing a considerable difference in fuel economy or power. But honestly I don't really pay attention to mpg, I drive a muscle car mainly because I don't care about fuel economy.

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Driver Information Center...DIC...it's a Corvette acronym...the little computer screen in the dash (instrument panel) ...enjoy your car...

Bill
 
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