Breaking then stage or break in stages - Page 2 - Subaru WRX Forum
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#16 Old 10-21-2013, 03:55 PM
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Quote:
Originally Posted by LW_Black4 View Post
There's a story to this sad demise of an engine, isn't there? Is it the subject of an existing thread, and did you get something better as a result?
Blew a hole in the piston then drove it home from the drag strip which was about an hour 20 min drive... My BCS had quit functioning properly and boost was running higher than it should, but being in the moment didn't pay attention to my gauge and BAM!!!

As far as the break in period all modern engines are broken at the factory by using natural gas, when they tell you to drive it easy it is because they are hoping to avoid a lawsuit or fix something you broke....

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#17 Old 10-23-2013, 01:48 PM
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cylinder pressure provides the sealing force on the rings.

you need cylinder pressure. that means high load.

just make sure everthing is up to temp first... especially oil.
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#18 Old 10-23-2013, 01:54 PM
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Oh, even in my c3 and even in my 12 fozzy I always let them sit n warm up before I drive!

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#19 Old 10-24-2013, 07:03 AM
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oil can take 20 minutes to reach 200*
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#20 Old 10-24-2013, 07:21 AM
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Which there is no reason to wait 20 minutes. Just a few minutes to get the oil up into the block, especially if the car sat all night.

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#21 Old 10-24-2013, 07:49 AM
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Put it this way. Soon as the temp needle start to rise you're good to go 👍


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#22 Old 10-24-2013, 09:37 AM
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I go down n start my car, close my garage and then go on with my morning, so it idles for about 20 mins any ways, also warms up the car really nice.
Then when I am at work I always take a little break, go out n start the car, let it run for about 20 mins and b.s with my buddy that does the same thing

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#23 Old 10-24-2013, 11:41 AM
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Quote:
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Which there is no reason to wait 20 minutes. Just a few minutes to get the oil up into the block, especially if the car sat all night.
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Originally Posted by the RIOT act View Post
Put it this way. Soon as the temp needle start to rise you're good to go
guys, while that may be fine for daily driving (in which case i say don't "warm it up" at all), we're talking specifically about engine break-in with high load.

the oil ABSOLUTELY should be up to operating temp before you load it in this case.
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#24 Old 10-24-2013, 12:30 PM
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Quote:
Originally Posted by Nathan21 View Post
I go down n start my car, close my garage and then go on with my morning, so it idles for about 20 mins any ways, also warms up the car really nice.
Then when I am at work I always take a little break, go out n start the car, let it run for about 20 mins and b.s with my buddy that does the same thing
\

Engine's warm up quicker under light load. I give it not much more than a minute, and get underway driving gently until the temp needle starts to move.

20 min is not practical, nor required. I'm sure your manual has instructions, and what's in it is what Subaru designers and warranty expect.

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#25 Old 10-24-2013, 01:41 PM
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Lol that's just what I do in the morning, it makes me get oving having to go down the stairs, start the car then walk back up n start my coffee

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#26 Old 11-04-2013, 09:29 AM
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Alright guys, I am at about 800 miles on the new motor and about 200 on my stage 1.
So I decided to get a log and here she is
There are two pages, this is the only way I was able to upload it
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File Type: pdf datalog.pdf (95.9 KB, 38 views)

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#27 Old 11-04-2013, 02:31 PM
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Hmmm, wonder why your WGDC never got higher than 70%?? and where is your DAM?

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#28 Old 11-04-2013, 02:44 PM
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Far right on the 1st page keith
and I will look into that, could that be bad that it is under 70%

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#29 Old 11-04-2013, 02:55 PM
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Nah it just seems like it might be a safety thing from Cobb.

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#30 Old 11-04-2013, 06:58 PM
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his dam is .938, i am actually curious to see if this value goes up to one... u said 200 miles after your tune?
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