5.7L Engine (no FlexFuel) - Any Special Break-In Procedures Required? - TundraTalk.net - Toyota Tundra Discussion Forum
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#1 (permalink) Old 02-24-2011, 12:50 AM
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5.7L Engine (no FlexFuel) - Any Special Break-In Procedures Required?

Just checking to see if there is any special engine break-in procedure for the 5.7L without FlexFuel. I just picked up my 2011 CrewMax TRD Off Road two days ago, and have done a mix of city and highway driving so far. I have a couple hundred miles on the odometer so far...

Also, what type of engine oil comes in the engine from the factory? Full synthetic, semi-synthetic, or dino? Viscosity?

Also, what are the largest size tires that will fit the OEM 18" wheels that come with the TRD Off Road package?

Thanks in advance!

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#2 (permalink) Old 02-24-2011, 01:16 AM
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Some people say to stick with non-synthetic for the first oil change. I ended up changing my oil to fully synthetic after 1,000k miles. I would say change the oil after 3,000k. Here is a link,but it may be bias.



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#3 (permalink) Old 02-24-2011, 01:45 AM
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I believe you run it hard - this theory makes sense. Have always broken in my engines this way without any problems.
Had a Jeep with a V8 318 had 145K miles no problems at all
Had a Toyota Celica with 200K no problems at all
Had 2 motorcycles one with 24K and the other with 18K no problems on either.
All were run hard and not babied.

But many will disagree on not following the manufactures recommendation.

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#4 (permalink) Old 02-24-2011, 07:25 AM
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I agree...drive it like you stole it....babying it on break-in isn't doing it any favors.

I would change the oil/filter at about 500 miles then again at 3000 and then go synthetic at 5000 and change it every 5 after that. Some people stick to dyno oil until about 10,000 then go full synthetic....either way is fine.

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#5 (permalink) Old 02-24-2011, 08:36 AM
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There's several vehicles that come from the factory with fully syn. oil in them. I don't see any reason why you shouldn't be able to change it as soon as you wanted to.
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#6 (permalink) Old 02-24-2011, 11:44 AM
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yup, run it like a raped ape!

if something's gonna break you want it to break now while the warranty is good!..

I've got over 100,000 miles on mine and it still runs great and doesn't eat any oil! UNLIKE MY FORD!!! damn thing only had 60k miles and ate a quart between oil changes.. and it was an 05 with the 5.4L Tri-fart

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#7 (permalink) Old 02-24-2011, 09:17 PM
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im at 2200 miles, about to get first changed, never babied it, also didnt beat on it at first.

there is a site, moto man, or something like that that discusses ring seal yadda yadda, you can search google for moto man break in and will probably bring it up.

i just drove it like normal for about 200-250, only difference was no long full throttle runs, and no redlining... then drove as i wished like i normally would after about 500 miles.

realistically, rings only have a very short time to actually seal, by now your already done doing any kind of ring seal, prolly was already past that when you picked it up to be honest.

but the rest of the drivetrain still needs to break in which it will do over normal use.

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#8 (permalink) Old 02-26-2011, 09:33 PM
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It comes from the factory already with synthetic oil in it. I have 103,921 miles on my 07 CM. Engine running perfect. I do get great mpg's also. First oil change for me was 3,000 miles. Then flush rear end and changed the engine oil. Stayed with synthetic from the begining.


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