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Old 05-18-2013, 06:01 PM   #1
Combat SGT
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Breaking it..........in !

Have not had much time to review the forum. 2013 SE hatchback !

During the initial break in period, should I baby the car, variable speed, etc ! Or should I drive it like I stole it ? To an extent of course !

What would be the proper break in procedure ? Thanks !


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Old 05-18-2013, 07:14 PM   #2
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unfortunately, I got mine exactly one week ago with 7 miles on it... first 300 were driving from chicago to cincinnati, once i hit 400ish i used a tank of gas on 50 miles lol. It seems to be running smoother and what not. My mpgs also went up 3 (mixed driving)
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Old 05-18-2013, 07:21 PM   #3
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This is one of the minefield questions. Everyone's opinion is the 'correct' one.

I personally prefer a hard break-in. An example-http://www.mototuneusa.com/break_in_secrets.htm

That's about as much as I'll say on it, and the link is just an example. Don't forget to seat the brakes as well
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Old 05-18-2013, 07:32 PM   #4
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^ my first car was bought at 170k miles (red lined it every time i accelerated), got it to 230k miles only thing to ever break was the plastic gear in the waterpump. I figured if you're going to have something break, why not have it break as soon as you get it ;). That and... these cars are too much fun. I mean a tiny 4 cylinder that chirps 3rd, and that's completely stock. I can not imagine how abused mine will become when I get the CAI and fswerks stealth kit. Just do your thing and have fun with it.
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Old 05-18-2013, 09:40 PM   #5
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They say no break in is need.
others say be gentle. then others say beat it like you want it it run..
Ahh I am old, I have owned many new semi-performance vehicles. The best to do is easy on the gas pedal, and not worry as much about RPM. but no lugging. no mashing the gas. for the first 700 or so miles,
gradually raise the RPMs from never over 5K to near limits. still easy on the gas.
When I was around 2K I took it out to a nice fun country road. stuck in third fulltime and ran hard from 1,700 rpm to 6500 rpm back and forth around and about.
Really was fine after that. 'broke in' is the words..
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Old 05-18-2013, 10:23 PM   #6
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I say drive it like you're going to drive it for the rest of its life.
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Old 05-19-2013, 12:32 AM   #7
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Quote:
Originally Posted by Slo86GT View Post
I say drive it like you're going to drive it for the rest of its life.
This is what I did, I don't know that it makes a great deal of difference either way but I had a mix of redline shifts to about 60, some sedate grocery pickup runs and some back country road scorchers running mid band up and down the gear range.

Personally, after the brakes seat I see no reason not to run the entire range since that is how my car will be used for the rest of it's life.

I'm more worried about brake life than engine life.
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Old 05-19-2013, 01:18 AM   #8
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The difference is really only say eight horsepower between a perfect ring seal and not so perfect.. Then say with a perfect ring seal and oil changes modern engine would do 200,000 miles and still be giving you the same power you got new..

With not so perfect sealing of rings.. after 100,000 i would say your engine will be down twelve horsepower from the one with an original perfect ring seal. And that is with good regular oil changes.

With really stretched out oil changes and not so great ring seal.. You will be fifteen horsepower down at 100,000 miles from the guy with a great ring seal and good oil changes.

So that is the difference.
Go ahead.. no one cares...
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Old 05-19-2013, 02:00 AM   #9
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Although it can be slowed, it is IMPOSSIBLE for an engine to give the same power at 200K as when it was new. If it did then you may as well go to 500K or a million with every engine and conventional wisdom still says that's impossible. There also is NO SUCH THING as 'perfect' ring seal, and if there were, it would be BAD. When Manley first developed two ring pistons for the drag market they actually had ring seal so perfect that engine began to eat huge amounts of oil, it seems that perfect ring seal allows the rings to hydroslide and skate up and over oil instead of scraping it off. They backed off and designed the ring to leak a small amount and the problem went away. Drag racers kill for under 3% and it lasts maybe two runs.

Engines getting good enough now it doesn't seem to matter, just don't lug it. Life of motor will depend far more on the quality of bore prep than your break-in. The exhaust valves will wear 10 times faster than the rings anyway, you should look at some with 80K on them, look like crap with dents and dings everywhere. No way are you going to make 200K and same power like that.
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Old 05-19-2013, 02:32 AM   #10
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So you agree but are being picky about it. basically?
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