So I changed my oil less than 3000 miles ago. I have a rear intake leak so I had to add oil about a month ago(3 QTs). Can anybody explain to me why my oil is turning black with so few miles between oil changes.
So I changed my oil less than 3000 miles ago. I have a rear intake leak so I had to add oil about a month ago(3 QTs). Can anybody explain to me why my oil is turning black with so few miles between oil changes.
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It has about 160k+
I need to get the leak fixed, just need to find the time and some help since I have never done it
Blowby? Combustion gasses are getting into the crankcase, turning the oil black
TaninAutoElectronix
90 Mitsubishi Mirage 9.9@146, 800awhp
04 Gallardo
04 Lexus LS430
71, 96, 94 Land Cruisers
Trying to Briones that shit?
I'd fix the oil leak-with rings and bearings to start
"Never underestimate old guys"
Just drive it until it explodes......
"A turbo, exhaust gasses go into the turbocharger and spin it, with a supercharger, air goes in, witchcraft happens and you go faster."
- Jeremy Clarkson
Did it turn black because it's dirty or because it's overheated?
160k of crappy oil can cause all sorts of buildup in the valve covers.
Buy made in the United States. Otherwise your job might be next. Unless you already wear black shoes and a visor with golden arches on it to work in which case your fellow american has already failed you.
a properly maintained engine,even with high mileage on it, is clean on the inside.I would suspect the oil in his is black from overheating it,or from blowby. The oil tries to cool the bottoms of the pistons and the valve springs,and 1 quart just isnt enough to dissipate all that heat....the oil broke down.it may stay a little cleaner with 4-5 qts in the pan as it were designed to have.
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What do you suggest I do to get her cleaned out then
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Is your oil pressure still good? im surprised with only 1-2qts in the engine that your pressure didn't drop if you made a turn or stopped hard.
like others said, probably a real dirty engine inside. if you want help with that intake just give me a shout
Last edited by 1997 Trans-Am; 06-03-2009 at 05:24 PM.
~Joe~UNITED SATES NAVY
LT4 Hotcam, LT headers, Magnaflow Catback, CAI, 58mm TB, FLT Trans, 2800 Stall, UMI suspension
Unfortunately my schedule doesn't afford me much free time so it will be a last minute decision when I do it.
Ron are you suggesting that I just do a few more oil changes more frequently
yes,a few oil changes should clean it up
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