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Old 03-17-2001, 07:11 AM   #1
Scoobie Newbie
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Member#: 4184
Join Date: Feb 2001
Location: Bust the deal, face the wheel
2004 WRX
World Rally Blue,Moonroof

Question Breaking in the Engine

From other posts I've read they say about 1000 miles which is about 2200 km. Does this sound about right?
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Old 03-17-2001, 07:21 AM   #2
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Member#: 3803
Join Date: Jan 2001
Chapter/Region: MWSOC
Location: SouthEast Michigan
07 Mustang GT
Ford Crappy Paint White


1000 miles would be 1600 KM, but about right. I'll baby my new WRX until 500, and try to be nice until 1000.
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Old 03-17-2001, 10:11 AM   #3
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Member#: 438
Join Date: Oct 1999
Chapter/Region: W. Canada
Location: St. Albert, AB, Canada
2004 STi
White on Gold


I think I waited about half a block out of the dealership parking lot.
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Old 03-18-2001, 02:35 PM   #4
David the Bold
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Join Date: Mar 2001
Location: Montreal, Quebec, Canada

It's gonna be rough, but I plan on making it all the way to 1600k keeping it below 4k. After that I'll increase in 1k rpm intervals in 500 kilo intervals.
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Old 03-18-2001, 04:37 PM   #5
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Member#: 323
Join Date: Sep 1999
Location: Winnipeg, Manitoba, Canada
1999 Impreza RS
Rally Blue


Just because you are breaking in an engine doesn't mean you can't have fun. New engines love large throttle openings, they just don't like lots of rpm's. The large throttle openings generate high combustion pressures that help the rings to bed in.
So a heavy foot is good as long as you watch the rpm's.
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