Are you still supposed to break in a new car?

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Old 11-07-2003, 12:10 PM
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Are you still supposed to break in a new car?

Friend of mine just got a G35C yesterday. He's not sure if he is supposed to break in the car, or if thats not necessary anymore.

Anyone know?

If you are supposed to break it in, is there any method thats recommended? Keep it under a certain RPM, or put highway miles on it....????
Old 11-07-2003, 12:14 PM
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Yep... I'm a firm believer in break ins...


The owners manual will tell you what the proper method is. For my G, it was 1200 miles, with nothing above 4k rpms, no hard launches...

Thankfully, I'm at 3K miles and that break in crap is LONG gone!
Old 11-07-2003, 12:17 PM
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TO be safe I would break it in. just some self control. do it for 600 miles if you don't wanna do the whole 1200.
Old 11-07-2003, 12:23 PM
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just hammer it out of the dealership lol no reallly take it easy for 1000 miles and then wot
Old 11-07-2003, 12:29 PM
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I think 700 miles is enough. Plus i couldnt wait any longer.
Old 11-07-2003, 12:34 PM
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I think tolerances are pretty tight these days. I think the break in a bit overrated, but it doesn't hurt to keep it safe for a few miles and let things settle into place.
Old 11-07-2003, 12:39 PM
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RTFM..
Old 11-07-2003, 12:53 PM
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Originally posted by CO-CL-S
RTFM..

my manual also says i think need change every 10k miles... ya think im gonna beileve that too. :P
Old 11-07-2003, 12:57 PM
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i took it easy for about 300-350 miles

i coulnt resist

took it to the track at 400 miles
Old 11-07-2003, 01:09 PM
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I've got a BUNCH of family friends and personal friends who build motors and very few of them break them in. They will use different oils at first but most of them go balls to the walls from the start.


I had 2 friends who bought Civic SI's together when they came out. One babied it and the other one just mashed the car. The guy who mashed the car CLEARLY had a faster car after a little while. He'd just leave the other SI
Old 11-07-2003, 01:10 PM
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Originally posted by Crazy Sellout
my manual also says i think need change every 10k miles... ya think im gonna beileve that too. :P

w/ the advancement in oil technology that's about right. This 3K stuff is pure BS.
Old 11-07-2003, 01:30 PM
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Originally posted by CLpower
w/ the advancement in oil technology that's about right. This 3K stuff is pure BS.

but 10k?!! I dont go over 6k with synth oil
Old 11-07-2003, 01:31 PM
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hell bmw says oil change every 15k!!
Old 11-07-2003, 02:23 PM
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hey, you think they would lie about something like that?

I change my synth around 5-6K and by the looks of it i'm still changing to early and i'm hard on my car
Old 11-07-2003, 03:27 PM
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baby it for the first 100. Then drive it like you stole it.
Old 11-07-2003, 03:35 PM
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I heard somewhere that driving it like you stole it right off the line is actually BETTER - helps the rings get sealed quickly. But i can't find the url right now
Old 11-07-2003, 04:01 PM
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Originally posted by ABreece
I heard somewhere that driving it like you stole it right off the line is actually BETTER - helps the rings get sealed quickly. But i can't find the url right now
heard that more then a few times myself.
Old 11-07-2003, 05:18 PM
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quote:
--------------------------------------------------------------------------------
Originally posted by ABreece
I heard somewhere that driving it like you stole it right off the line is actually BETTER - helps the rings get sealed quickly. But i can't find the url right now
--------------------------------------------------------------------------------



heard that more then a few times myself
same here
Old 11-07-2003, 06:35 PM
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Originally posted by Ray Khan
I think tolerances are pretty tight these days. I think the break in a bit overrated, but it doesn't hurt to keep it safe for a few miles and let things settle into place.
I'm with Ray on this. Many moons ago, I rebuilt a GM 327 ci engine. We loaded it with oil and started it up. The "instructions" said to run the thing at 3,000 rpm for 20 minutes. If somethin's gonna go, you'll find out soon enough if those bearing caps are securely fastened.

But I still took it easy on my CL for the first 1200 miles or so. Go figure.
Old 11-07-2003, 08:33 PM
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Break In Secrets--How To Break In New Motorcycle and Car Engines For More Power http://www.mototuneusa.com/break_in_secrets.htm
This is the info people are referring to. It talks about putting load on the engine(revving the engine hard) to properly seat the piston rings during early break-in.
Old 11-07-2003, 08:57 PM
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i think my car likes the trip to the 1/4 track w/ 400 miles on it
Old 11-07-2003, 09:04 PM
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Originally posted by fyud
Break In Secrets--How To Break In New Motorcycle and Car Engines For More Power http://www.mototuneusa.com/break_in_secrets.htm
This is the info people are referring to. It talks about putting load on the engine(revving the engine hard) to properly seat the piston rings during early break-in.
very interesting link
Old 11-07-2003, 09:55 PM
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I just got my tranny replaced, think my tranny needs a "break-in"?
Old 11-08-2003, 04:00 AM
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Originally posted by Crazy Sellout
my manual also says i think need change every 10k miles... ya think im gonna beileve that too. :P
Why wouldn't you what's in the manual? Of course if you know more than they do (the engineers who designed it) have fun.
"i think need change every 10k miles.."?
Old 11-08-2003, 10:39 PM
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yea break that shit in for atleast 1000 miles to be on the safe side
Old 11-09-2003, 04:26 AM
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i would say for the first couple hundred miles, then punch it. because the demo cars are beat to shit right away and never have any problems.
Old 11-09-2003, 06:58 AM
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Originally posted by greyjhu
I just got my tranny replaced, think my tranny needs a "break-in"?
dont worry about a break in, its already broken








the tranny that is.
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