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Old 07-22-2005, 12:56 AM   #1
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Engine break in

Do you guys think the traditional 1500 mile break in period is still applicable to today's newer engines? I saw a guy on here that ran a 13.47 with 247 miles on the clock.

My last Z28 actually made me wonder this. When I got it I did no break in at all. At 17,000 miles I blew the LS-1. It was under warranty so GM dropped in a brand new one. I was very careful and followed break in procedure exactly for the new motor. It never gave me any trouble, but it never felt as powerful as it did with the original engine.

What do you guys think? I have no clue at this point.
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Old 07-22-2005, 01:01 AM   #2
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better safe than sorry
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Old 07-22-2005, 06:25 AM   #3
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I would tend to go along with the break in period but I have had many friends of mine that believe in going balls to the wall after riding around a half a day. They believe if there is something that is going to go it is better to find immediately. I dont necessarily agree but they are living proof that it worked for them.
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Old 07-22-2005, 08:31 AM   #4
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I got my car with 7,000 miles... and it was driven by a middle aged woman before me... thus, my car was broken in perfectly for me... for 7,000 miles
probably didn't see over 3,500 rpm... first thing I did, pedal to the floor
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Old 07-22-2005, 11:49 AM   #5
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I think what is more important than not breaking a certain rpm for a specific amount of miles is not to keep it at the same rpm for an extended period of time. But I would also suggest not going balls to the wall for a good 3k miles.
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Old 07-22-2005, 12:03 PM   #6
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Quote:
Originally Posted by red herring
I think what is more important than not breaking a certain rpm for a specific amount of miles is not to keep it at the same rpm for an extended period of time. But I would also suggest not going balls to the wall for a good 3k miles.
It would seem logical but race cars dont wait 500 or 1500 or 3000 miles. hell they rebuild and go right to the track especially Pro Drag racers.

I suggest a break in but in the real world of engines I really dont think it makes a big difference.
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Old 07-22-2005, 01:01 PM   #7
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Race cars also don't have to worry about their daily driver breaking... haha. They just go rebuild another engine after every race.
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Old 07-22-2005, 01:19 PM   #8
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Quote:
Originally Posted by WhiteStang99
Race cars also don't have to worry about their daily driver breaking... haha. They just go rebuild another engine after every race.

No rich mega teams do. Privateers keep the engine till it blows. As a member of several racing teams in the 80's and early 90's I was on some with big budgets and some where we were on a wing and a prayer. The old saying DON'T FIX WHATS NOT BROKEN is in racing also.

You guys seem to keep forgetting I was on racing teams building engines back in the days HAHHAHAHHAHAHA
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Old 07-22-2005, 01:21 PM   #9
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^ ahh, I was thinking more like Nascar. But I see what you mean now.
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Old 07-22-2005, 01:32 PM   #10
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hmm I rather go with a different sayign danger dude:

"if it aint broke, take it apart and find out why the hell not"
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Old 07-22-2005, 01:37 PM   #11
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Quote:
Originally Posted by Bane-
hmm I rather go with a different sayign danger dude:

"if it aint broke, take it apart and find out why the hell not"
HAHAHHAHHAAHHAA
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Old 07-22-2005, 06:12 PM   #12
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no. i read something one time that said it actually helps the piston rings to seal better if you beat the piss out of it the first 20miles. After that, drive it medium for the next 480mi and then drive it like you normally will at the 500mi mark. Engines are built well enough now a days. don't worry about it. I know people who have taken cars to redline while leaving the dealership parking lot, and been fine 20-50k miles later (easy)
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Old 07-22-2005, 06:19 PM   #13
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they are broken in from the factory, but its a better safe than sorry. Just take it easy for the first oil change.
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Old 07-22-2005, 07:42 PM   #14
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I agree with Whitestang, otherwise they wouldn't have made the new rule that you have to keep your engine for two races. Also for drag racing, I think they rebuild it every time. My dad used to be on a racing team like Danger Dude describes, though, when sometimes you had to go out on a prayer because it gets too expensive. They named themselves "pennyroll racing" as a joke because they said sometimes they had to roll their pennies just to make it to the track.
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Old 07-22-2005, 09:14 PM   #15
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They used to say to drop the "breakin oil" after 800 and change it, then change it as you normally would. I have also known people who drove the piss out of new cars, some just liked to break them and make the dealer fix them. Some believed you should break in a car the way you plan to drive it, its all a matter of opinion I think.
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