Nissan/Infiniti Tech SR20DET? RB26DETT? VQ35DE? What's it all mean? Find out here!

breaking in period

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Old Aug 31, 2009 | 09:27 PM
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i dont think ill have the balls to beat the hell of it at that low of a milage... i put soooo much time and money into it i just cant do it... so far i got it to 260 miles and i changed the oil in the first 10-50 miles 2 times and then drove it to 250 and changed it today again... will go for another 200 or so and change it once more... im hopeing to get at least 1000 out if it and switch to syntetic and then start getting on it little by little and actually boosting it.
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Old Sep 1, 2009 | 05:55 AM
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dammit storm you beat me. my build should be done in 2months
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Old Sep 1, 2009 | 06:37 AM
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Originally Posted by STORM
i dont think ill have the balls to beat the hell of it at that low of a milage... i put soooo much time and money into it i just cant do it... so far i got it to 260 miles and i changed the oil in the first 10-50 miles 2 times and then drove it to 250 and changed it today again... will go for another 200 or so and change it once more... im hopeing to get at least 1000 out if it and switch to syntetic and then start getting on it little by little and actually boosting it.
sounds like you have the general idea...

just don't baby it too much.

I had an old mechanic tell me that you should treat a new motor during break in, very similar to the way you are going to treat it all of the time. If you built a daily driver, then you need to drive it as such. If you built a drag car, then drive it as such. (please note, drag cars are not built to last, they are built to run. typically, they are built, started, idled for a few minutes, changed the oil to flush out all of the build lube and metal crap, then beat on to make sure it can handle the stress. Better to break it then, rather than in a few days during race day.)
so get a couple of miles on it, then drive it normally. (assuming you're version of normal does not include tire chirping shifts and shift points above 5 grand) Once you get over those first miles, your main concern is oil condition, keeping it clean. as things settle and seat and what not, little bits of metal will break off and that can cause damage to new bearings.
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Old Sep 1, 2009 | 07:59 PM
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Originally Posted by Anthony R
dammit storm you beat me. my build should be done in 2months
just take ur time on it bro, i had to tare it apart because i forgot to put the o ring in the oil pump... it sucked... just little mistakes like that can cause u to start over on some things...

good luck!
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Old Sep 1, 2009 | 08:00 PM
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i still did not get a good info if i should boost it at all during breaking period? i want to take it over 3000 but it will start boosting when i do so... so is it ok to do that?

i really want to have it as a daily driver but to have that power when i need it... meaning to get on it most of the time... not really planning on drifting it or boosting it like 25+ psi...
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Old Sep 2, 2009 | 07:37 AM
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Originally Posted by Empire
As far as RPM limits go, it kinda depends on your build. The general idea that I've been told is that you add 1000 rpms every time you do an oil change. (assuming you follow the schedule that blackzenkei laid out) Starting at 2 ish grand. You're not gonna blow up if you go a little over or whatever. The more important part is throttle. The more throttle you give it, the more load the motor is under and load is what is going to cause problems during break in. You just don't want to not use the motor, as in idling up to speed type of thing. You need to create some heat so the oil can function and the metals can expand and shrink as they will.
Originally Posted by STORM
i still did not get a good info if i should boost it at all during breaking period? i want to take it over 3000 but it will start boosting when i do so... so is it ok to do that?

i really want to have it as a daily driver but to have that power when i need it... meaning to get on it most of the time... not really planning on drifting it or boosting it like 25+ psi...

so how did that not answer your question...
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Old Sep 2, 2009 | 08:01 AM
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Your right it does answer the question... my bad... i was just hopeing someone would have said ya its fine to boost it. Its just my first build and i dont want anything wrong going on while still breaking it in... thx
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Old Sep 2, 2009 | 10:33 AM
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yeah, it just wasn't as easy as yeah sure, boost it... but it also isn't as easy as don't boost it...
just work up to it... you'll be WOT and redlining before you know it...
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Old Sep 2, 2009 | 10:34 AM
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Break In Secrets--How To Break In New Motorcycle and Car Engines For More Power
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Old Sep 4, 2009 | 06:41 AM
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interesting read
interesting theory
interesting support for the theory
I would just be hard pressed to stab the throttle on a fresh motor....
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