Thread: LS4 Oil.

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  1. #1 LS4 Oil. 
    SE Level Member GXDEMON's Avatar
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    Whats the best oil weight and brand that these LS4s like? ive heard people running 0w30 in colder climates which i am in. any recommendations?
    Im extremely sarcastic, remember that when reading my responses.
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  2. #2 Re: LS4 Oil. 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    It doesn't really matter what brand you pick.

    Stick with what the cap says, 5W30 is just fine for cold climates and has been for a long long time.

    How long you want the oil to last can determine if you run conventional or a full synthetic.

    SMGPFC Member #1
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  3. #3 Re: LS4 Oil. 
    GrandPrix Junkie SgtMarshal's Avatar
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    I use whatever the shop has that changes my oil. i had some oil consumption issues until I turned off the DOD/AFM
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  4. #4 Re: LS4 Oil. 
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    I've had good luck with Mobil 1 5W 30 since new, no oil consumption in 5k changes. I have 124k on it now, switched to high mileage at 90k.
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  5. #5 Re: LS4 Oil. 
    SE Level Member GXDEMON's Avatar
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    i ran Valvoline high mileage full synthetic in my Jeep i had so i think im gonna stick with that in the LS4. Just didnt know if these engines liked a specific oil. Thanks all. My car has 264k miles but only around 75k since the motor was pulled and refreshed with new rods and pistons added.
    Im extremely sarcastic, remember that when reading my responses.
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  6. #6 Re: LS4 Oil. 
    I break stuff selliott's Avatar
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    Amsoil in everything I own
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  7. #7 Re: LS4 Oil. 
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    That's what I use. I tried regular Valvoline Synthetic and the lifters didn't like it. High mileage oil has 30% more film thickness and better protects from wear. The lifters also quieted down after the switch.
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  8. #8 Re: LS4 Oil. 
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    I have been using Mobil 1 for years 5000-7500 mile change intervals depending on which car and how i drive it, and a good filter (pure one or mobil 1)with no issues.


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