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post #1 of 16 (permalink) Old 11-18-2009, 10:24 AM Thread Starter
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What Type Of Oil Should I Use?

I have a 2008 Chevy Cobalt LT 2.2 Auto Sedan.... and i live in Palmdale,CA here winter is like arriving early and it's almost time to change oil... I just don't know if I should use a 5w30 or a 10w30..... right know i have 10w-30...... should i stick with the 10w-30...or should i change it to 5w-30...will it matter in somehow.........someone please....

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post #2 of 16 (permalink) Old 11-18-2009, 10:27 AM
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5w-30 Mobil 1 full sythetic is what i use year round....thats it.

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post #3 of 16 (permalink) Old 11-18-2009, 10:30 AM Thread Starter
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you use synthetic for the ecotec........oh...ummm i thought it didnt do any good for the ecotecs...thats what i heard...

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post #4 of 16 (permalink) Old 11-18-2009, 10:40 AM
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Quote:
Originally Posted by gRiLLo23 View Post
you use synthetic for the ecotec........oh...ummm i thought it didnt do any good for the ecotecs...thats what i heard...

Well it doesn't hurt. I switched to sythetic shortly after i got the car and noticed a world of difference in sound. The engine itself quited down a heck of alot, especially at high RPMS.

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post #5 of 16 (permalink) Old 11-18-2009, 11:12 AM
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FULL SYNTHETIC!-all the time
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post #6 of 16 (permalink) Old 11-18-2009, 11:23 AM Thread Starter
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so its ok to switch to full synthetic...for my ecotec.......

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post #7 of 16 (permalink) Old 11-18-2009, 11:25 AM
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Quote:
Originally Posted by gRiLLo23 View Post
so its ok to switch to full synthetic...for my ecotec.......

yes

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post #8 of 16 (permalink) Old 11-18-2009, 11:54 AM
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where did you hear synthetic is bad for ecotecs in the first place? Anyway... Comparison tests, tables/charts show full synthetic to be awesome... Scoring high in all areas.... With only a few types of oils to beat it (but only in certain areas like heat and viscosity)

don't quote me on the heat/viscosity though... Just an example... Its been awhile since I looked at the chart.... Never needed to look at it again after making my mind up that full synthetic was the way to go.

Last edited by killarowa; 11-18-2009 at 11:57 AM.
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post #9 of 16 (permalink) Old 11-18-2009, 11:56 AM
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the question wasn't synthetic or not it was 10w30 or 5w30, I normally go 10 in the winter and 5 in the summer
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post #10 of 16 (permalink) Old 11-18-2009, 12:53 PM
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Your car requires 5w30...why would you change it? Also syn is the way to go if you can spare the extra 10$. Does wonders for the motor.
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