Quote:
Originally Posted by FarmerFran
I thought that was not "real oil"
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Haha. It’s what gm uses as factory fill. Crazy thing is,it and castrol only dexos 2 certified in 0-40 we can get. If you want to maintain warranty.
Mobil one is fine for street use. I used maxima and Joe Gibbs when I had a cam and aftermarket valve train.