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Old 07-12-2003, 04:41 AM   #1
Big Turkey
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Member#: 32118
Join Date: Jan 2003
Location: Houston, TX
Default An extra quart of oil.. Bad?

So I decided to check my oil this morning before I started the car to warm up for the day, and it was below the L. I thought that was weird.. so i tried three more times with the same result. I had saw small oil drips a few days before in my garage, but nothing too serious. So I went to autozone and bought a quart of 10w-30 and poured it in. I checked the oil.. right below F. Perfect.

I started the car and let it warm up and drove to work. Right before I left work, four hours later, I checked the oil again.. and it's like 1cm above the F! Is that bad? I'm moving over to either Mobil 1 Synthetic or Royal Purple on Monday, but I have to work all day all weekend so I don't have time. But should I be okay running an extra quart of oil for the weekend? BTW, I'm going to the track Sunday to run a few 1/4 passes and want to make sure it won't do any damage to the engine.
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Old 07-12-2003, 09:50 AM   #2
DrD
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Join Date: Aug 2002
Chapter/Region: SWIC
Location: Albuquerque, NM
Vehicle:
2012 Legacy 2.5GT
Ice Silver Metallic

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Once the oil level gets high enough, it will foam a bit, which is bad - not sure if you are that high though - for normal driving, you are probably ok through the weekend - I wouldn't want to take it to the track without making sure it was correct, though - why risk it? Just pull the filter and drain it - should remove more than enough oil to bring you back into the proper range (I don't think you are a full quart high)


this thing ---> <--- cracks me up!
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Old 07-12-2003, 02:47 PM   #3
rhdude
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Location: Manassas
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I've been told by a few people that adding TOO much oil can cause a similar problem to hydrolock... not sure if its true.. but I doubt one extra quart would do that...
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Old 07-14-2003, 10:20 PM   #4
GrynReaper
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Join Date: Jul 2003
Location: Omaha, Nebraska
Vehicle:
1999 Impreza RS
Silver

Exclamation

Having too much motor oil in your engine can also cause too much oil pressure. That can cause problems, but as a previous poster said, don't take it out and hammer it until it's corrected. A lot of places that will change you oil for you put in too much. It's something worth watching out for!
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Old 07-14-2003, 10:34 PM   #5
ws6fiero
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Spruce Pearl

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Yeah... to follow up GrynReaper's post, I have also heard this. Supposedly the excess oil pressure can blow out seals which can be rather expen$ive to replace compared to the effort that it takes to carefully drain a little oil.
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