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Mobil 1 120764 Synthetic Motor Oil 5W-30, 5 Quart

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  • Mobil 1 5W30 Grade Synthetic Motor Oil is the viscosity recommended for most General Motors vehicles, including the Corvette, and many imports. Mobil 1 is chosen for factory fill by more auto manufacturers than any other oil brand in the world. Mobil 1 5W30 fully synthetic motor oil is an ILSAC GF-4 energy conserving viscosity that provides excellent all season protection. This product also meets the requirements for diesel-powered vehicles where an API CF or CD oil is recommended. Mobil 1 5W30 motor oil is recommended for all types of modern vehicles, including high-performance turbo-charged, supercharged gasoline and multi-valve fuel injected engines found in passenger cars, SUVs, light vans and trucks.

    If you look in the owners manual of your car, 20W-50 is even a consideration. I run Mobil 1 5W-30, which is reccommended, and I've been very happy with it. While anecdotal evidence like that is nice, I don't think running 15w40 instead of 10w30 would have had much to do with an engine blowing up. If you'll do some looking around, you'll see that Mobil 1 5w30 is a very thin 30wt oil at operating temps. There are oil analysis reports floating around that also show that Mobil 1 5w30 doesn't do well in LS1 engines in terms of wear. These engines tend to show less wear when running a thicker oil (heavier 30wt or 40wt).

  • 12-18-2006, 03:43 PM   #18
    The Dragon
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    Quote:
    Originally Posted by MeentSS02
    . . . There are oil analysis reports floating around that also show that Mobil 1 5w30 doesn't do well in LS1 engines in terms of wear. These engines tend to show less wear when running a thicker oil (heavier 30wt or 40wt).
    I've seen a few of those posts and paid them no mind.

    I've been running an MS3 or MS4 on my extreme H/C/Complete bolt-ons set-up for ~50,000 miles on a stock bottom-end LS1; I only installed the rod-bolts a few months ago.

    I drive "quite spiritedly" everywhere I go at all times



    EDIT: forgot to mention I've run Mobil 1 5W-30 since the Firehawk had ~500 miles on the odometer
     

  • 12-18-2006, 03:18 PM   #17
    MeentSS02
    Kleeborp the Moderator™
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    Quote:
    Originally Posted by TransAminal
    I would never run 20W-50 in a modern, close tolerance motor. That stuff like molasses, I don't even want to think about the kind of wear that you're putting on your motor at startup, especially when its cool/cold.

    My dad switched to 15W-40 in his 89 Chevy 350 truck, and the motor blew one day while he was backing a trailer up the driveway. It was fine all the other times he towed, when it was running regular 10W-30. I cant help but think that had something to do with it.

    If you look in the owners manual of your car, 20W-50 is even a consideration. I run Mobil 1 5W-30, which is reccommended, and I've been very happy with it.
    While anecdotal evidence like that is nice, I don't think running 15w40 instead of 10w30 would have had much to do with an engine blowing up. If you'll do some looking around, you'll see that Mobil 1 5w30 is a very thin 30wt oil at operating temps. There are oil analysis reports floating around that also show that Mobil 1 5w30 doesn't do well in LS1 engines in terms of wear. These engines tend to show less wear when running a thicker oil (heavier 30wt or 40wt).
     

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