Thread: Oil caps are different

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  1. #1 Oil caps are different 
    GTP Level Member indygrandprix's Avatar
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    I noticed that on all the 97-03 GP's i've seen the oil cap says 10w-30 and on an 05 GP it says 5w-30. Just found that intersting. I go off what the temp is going to be for the next 3 months and what the owners manual says for that temp but i still found it to be intersting none the less. Is this what other members with 04+ caps have? Curiosity lol
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  2. #2 Re: Oil caps are different 
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    Yup, GM changed the oil filter by pass spring and the recommended oil weight with the SIII engines.
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  3. #3 Re: Oil caps are different 
    GTP Level Member indygrandprix's Avatar
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    Alrighty. Well thanks for satisfying my curiosity
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    GTX Level Member acidcrashdburnd's Avatar
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    So is running 10w30 in my S3 bad? I always had wondered why they changed it.

    Sent from my Galaxy Nexus using Tapatalk 2
    2005 GPGT- Top Swapped Click me! 15.5 @109
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  5. #5 Re: Oil caps are different 
    GTP Level Member indygrandprix's Avatar
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    If you look in the owners manual it will tell you what to run based on the average temp when you will have the oil in the car. 10w30 for when its warm out 5w30 for when its colder. I beleive the cold/warm change is around 35 degrees
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  6. #6 Re: Oil caps are different 
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    I don't see the point in 10W-30 being used ever.

    Its a very similar viscosity when hot and thicker when cold which causes more wear in comparison to 5W-30.
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  7. #7 Re: Oil caps are different 
    GT Level Member JesseBranham's Avatar
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    On my 02 the oil cap says 5w-30.
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  9. #9 Re: Oil caps are different 
    Turbo is the way to go. BillBoost37's Avatar
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    Stop reading a potentially wrong cap and read your owners manual.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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