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#2692115 - 07/22/12 08:20 PM Castrol oci?
DirtRacer53 Offline


Registered: 06/28/12
Posts: 120
Loc: South Central PA, US
Last month I changed my oil with castrol edge w/ spt 5w-30 in my 2005 silverado w/ the 4.3 v6(i got it and a p1 filter at pepboys for 23 dollars). I have over 1200 miles on it so far. Well Today I checked my oil today and it looked like a dark golden brown color. When I checked the oil when I had QSUD 5w-30 (the previous oil that was in it) that had over 2000 miles, it looked a lighter color, kinda like almost new. I find this weird, but im wondering if castrol was meant for extended oci's. My truck only has little over 55,500 miles on it and I dont sense any sludge issues.
_________________________
2005 Chevy Silverado 1500 4.3L
Current Fill: Quaker State Synthetic Blend Dexos1
Fram TG3387A Oil Filter
Fram TGA8755A Air Filter

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#2692125 - 07/22/12 08:27 PM Re: Castrol oci? [Re: DirtRacer53]
dave1251 Offline


Registered: 07/15/05
Posts: 7547
Loc: Maricopa, AZ
Don't judge a oil by its color.
_________________________
make the inside of your engine oil cap white.
don't use.

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#2692145 - 07/22/12 08:40 PM Re: Castrol oci? [Re: DirtRacer53]
Lead Shoes Offline


Registered: 03/03/10
Posts: 2419
Loc: Mn
That is a silly thing to measure an oils quality and performance by...

I personally would be more concerned if the oil stayed clean and didn't dirty, that would mean it is not breaking down deposits and suspending them.


Edited by Brenden (07/22/12 08:40 PM)
_________________________
1992 BMW 325i M50b25 w/Dinan I/E/Chip 165k
Castrol 0w40/Mahle

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#2692224 - 07/22/12 09:38 PM Re: Castrol oci? [Re: DirtRacer53]
DirtRacer53 Offline


Registered: 06/28/12
Posts: 120
Loc: South Central PA, US
Ok, so its nothing I should worry about then. I was just wondering
_________________________
2005 Chevy Silverado 1500 4.3L
Current Fill: Quaker State Synthetic Blend Dexos1
Fram TG3387A Oil Filter
Fram TGA8755A Air Filter

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#2692312 - 07/22/12 10:43 PM Re: Castrol oci? [Re: DirtRacer53]
dparm Offline


Registered: 04/19/10
Posts: 12612
Loc: Chicago, IL
That oil can go 5k, probably even longer unless you're doing some heavy duty stuff like towing or whatever.

Oil gets dark with use. It's normal, and don't think it's any indication of a problem.

Jiffy Lube and those places love to use it as ammunition to upsell you on a motor flush. "Oh your oil is turning black, that means there's lots of build up in there!"
_________________________
2011.5 BMW M3 saloon ZCP
der stärkste buchstabe der welt
Castrol Edge Professional TWS 10w60 + Mahle OX 254D3

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