C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Oct 8, 2004 | 09:52 AM
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From: anderson sc
Default oil choice

i changed my oil the other day and when i bought my 5w30 mobil 1 i noticed that they have a performance driving forumla. i'ts like 15w50!! my car has 60k miles on it and i daily drive it, but i drive it hard. is this something i could benefit from or should i stick with the 5w30? or which weight should i use? i'm in sc climate thanks
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Old Oct 8, 2004 | 10:06 AM
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The way i understand it 5w30 Mobil1 is the best you can do for our motors. I dont think they were designed for a Heavy 15w-50 engine oil.

You guys ever been to Road Atlanta?
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Old Oct 8, 2004 | 11:12 AM
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Just use the full synthetic Mobil formula, in the silver bottle.
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Old Oct 8, 2004 | 11:13 AM
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Stick with the lighter wieghts.
Summer 10-30 the rest of the year 5-30.

I run my motor hard and my engine builder recommends 10-30.
My two cents.

By the way. I blew oil all over the track on Sunday. Didn't even know it as it was a solo run and did not look in my mirrors.
My point is that oil was gone at the end of the return lane.
Thanks to Mobil 1 no engine damage.
Matt383
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Old Oct 8, 2004 | 01:11 PM
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From: San Jose Pat Tillman - American Hero
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Originally Posted by Clemson Vette
i changed my oil the other day and when i bought my 5w30 mobil 1 i noticed that they have a performance driving forumla. i'ts like 15w50!! my car has 60k miles on it and i daily drive it, but i drive it hard. is this something i could benefit from or should i stick with the 5w30? or which weight should i use? i'm in sc climate thanks
You'll be just fine with the 5w30. The 15w stuff is for *serious* racers...not just those of us who drive hard (which, compared to the beating race cars take, is considered gentle).
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Old Oct 8, 2004 | 03:33 PM
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Old Oct 8, 2004 | 11:35 PM
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5W30.... give no thought to anything else
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