On Sat, 10 May 2008 08:30:50 -0700, jim beam wrote:

> Jeff wrote:
>> Hachiroku ãƒ�ãƒ�ãƒ*ク wrote:
>>> On Sat, 10 May 2008 00:19:20 -0600, Bow Wow wrote:
>>>
>>>> I was planning on taking my soon to take possession Highlander V6 on a
>>>> trip which will consist mostly of highway driving of about 3000mile
>>>> drive
>>>> and been told that that's not such a good idea because you don't want
>>>> to drive a brand new car on the highway for any extended amount if you
>>>> can help before the car's properly broken in.
>>>>
>>>> The seals, rings and the machine just needs to set in properly, which
>>>> happens during the break in period and before that, I was told you
>>>> should
>>>> avoid any long highway trip.
>>>>
>>>> What do you guys think? If this was your car, would you do it or put
>>>> off
>>>> the trip until after the car's broken in properly? Thanks.
>>>
>>> I'm old-school. I drive a car 1500 miles and then do the first oil
>>> change.
>>> Then I do the next one at 3000 miles, and every 3-3500 after that.
>>>
>>> I also had 3 cars go over 250,000 miles without burning oil.
>>> Five-hundred miles is approx 8 hours. I would prbably go pretty easy
>>> for the first 1,000 miles, secondary roads and short stretches on the
>>> highway around cities. This will do two things; allow the machine to
>>> run at something other than wide open, and force variations in load and
>>> speed like the manual says to do.
>>>
>>> It seems I can tell when a car was broken in properly or not. On cars I
>>> had had new, they don't tend to develop 'notches' at certain speeds. By
>>> this I mean, on cars other than ones I bought new, I can notice that
>>> the car seems to hit a stride ~45-50 MPH, and another ~70 MPH. What I
>>> assume is that the person that bought the car new had two driving
>>> modes: secondary roads (45 MPH) and highway (70 MPH). I have noticed
>>> this on a few used cars I have owned.
>>>
>>> On cars I bought new and broke in properly, there weren't any
>>> 'notches', everything was fairly even across the range. You will hit
>>> speeds and conditions on any car, no matter how it was broken
>>> in due to engine and mechanical efficiencies. On most 4 cylinder
>>> Toyotas I
>>> have owned, they seem to hit their stride 70~75 MPH, since I assume
>>> this is the engine's most efficient mode. I have noticed this on 4 or 5
>>> Toyotas
>>> I have owned. Always got the best economy at about 72 MPH in 5th gear.
>>
>> How do you know that the speeds that the cars were driven at had
>> anything to do with these "strides"? And why would driving a car a
>> particular speed cause this?
>>
>> I think you don't know what you're talking about.
>>
>> From the owner's manual for a 2008 Pilot:
>>
>> "Help assure your vehicle’s future
>> reliability and performance by paying extra attention to how you drive
>> during the first 600 miles (1,000 km). During this period:
>> Avoid full-throttle starts and rapid
>> acceleration.
>> Do not change the oil until the
>> scheduled maintenance time.
>> Avoid hard braking for the first
>> 200 miles (300 km).
>> Do not tow a trailer.
>> You should also follow these
>> recommendations with an
>> overhauled or exchanged engine, or
>> when the brakes are replaced."
>>
>> Note what the manual says about the first oil change.
>>
>>
>>
>>> Of course, with newer cars and a V6, things are different now, but I
>>> would
>>> still take it pretty easy for the first 1500 miles, and stop and have
>>> the oil changed.
>
>
>
> what??? read the manual??? no freakin' chance buddy! we're all going to
> have a retardation contest here on usenet and take the words of nameless
> idiots with our new multi-thousand dollar investments, not the experts
> that researched, designed and manufactured the freakin' thing!
>
> imagine these guys in aerospace: "yeah, but this guy said those cracks
> didn't matter".

You have had how many cars >230,000 miles?

Feh.


Some things change, some things don't. Rings and cylinder walls are still
about the same as they were 20 years ago.