Hachiroku ハチロク wrote:
> On Sun, 11 May 2008 18:19:48 -0700, jim beam wrote:
>
>> Hachiroku ハチロク wrote:
>>> On Sat, 10 May 2008 08:30:50 -0700, jim beam wrote:
>>>
>>>> Jeff wrote:
>>>>> Hachiroku ハチロク 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?
>> a few actually. 306k was my highest [verifiable] mileage. but wtf has
>> that got to do with inability to read manuals???
>
>
> I doubt the manual was written with a 3,000 mile all-at-once break in in
> mind.
>
>>
>>
>>> Feh.
>>>
>>>
>>> Some things change, some things don't. Rings and cylinder walls are
>>> still about the same as they were 20 years ago.
>> "about the same"??? you want to be imprecise so you can claim whatever
>> you want that way??? or are you saying "about" you don't actually know
>> the details??? [rhetorical]
>>
>> it's untrue if you think there are no changes - there are small but
subtle
>> changes to lip profiles that help with power and economy, and there are
>> improvements to honing processes giving better cylinder wall finish,
and
>> quality.
>
>
> All the more reason to pay particular attention to the break in period,
> especially when driving long distances during that period.
>
>
you're making no sense whatsoever.


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