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Old 07-23-2003, 09:36 PM   #1
wuckers
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Member#: 20234
Join Date: Jun 2002
Location: Columbia, Missouri
Vehicle:
2004 Forester XT
Silver 5-speed

Question 1st oil change - 1K or 3K

Most people here seem to do it at 1K miles. My manual says 3K. What difference does it make, if any?
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Old 07-23-2003, 11:02 PM   #2
GuyLR
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Join Date: Jul 2002
Chapter/Region: South East
Location: Atlanta, GA
Vehicle:
2003 WRX Wag/01 OBS
WRB and SM

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Enthusiasts usually go for the short drain 1000 km (600 miles) on break-in because they like to worry a lot and don't trust the very skilled engineers and penny pinching warranty bean counters that deisgned, built, tested and sold the car. So 3,000 miles is probably fine but changing it at 1,000 miles probably won't hurt a thing. Some companies (Triumph motorcycles and maybe Jaguar I think) do get fussy about the first oil replacement not being done too soon with a full synthetic because they want the piston rings to be fully bedded before dropping their special mojo break-in oil. If it's still clean looking at 1,000 miles you're probably just wasting oil.
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Old 07-23-2003, 11:10 PM   #3
Hondaslayer
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1995 Legacy LSi
1998 Forester, lifted.

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Subaru recommends 3k,Do it at 3k.
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Old 07-24-2003, 12:47 AM   #4
boomer1
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Silver 5-speed

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"Subaru recommends 3k,Do it at 3k."

So far as I know, Subarus do not contain any special break-in oil. So, apart from the cost of the oil and filter, what possible downside could there be from changing at 1000 miles and then again at 3,000? If it's my oil in there from 1000 to 3000 miles instead of theirs, what's the harm?
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Old 07-24-2003, 01:07 AM   #5
Peaty
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I don't think there is any harm. I change mine at 1000 mi with dino oil. Does it help? Maybe not but I feel better having done it.
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Old 07-24-2003, 02:08 PM   #6
Neuritis
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Are you going to switch to synthetic after your first change (whether at 1K or 3K)? Is there a recommended waiting period before you should switch to synthetic?
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Old 07-24-2003, 02:10 PM   #7
Peaty
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Azurite Blue Pearl

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Myself, I wait till 10K to switch to synth.
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