On Mon, 12 May 2008 19:19:26 -0700, jim beam wrote:
>> Look at one of my posts to jim beam. I posted what I found from the
>> Honda owner's manual, and from a Highlander. The Honda's didn't really
>> say a lot, the Highlander did say not to drive the car at any one speed
>> for a period of time.
>
> so what exactly is happening with the motor at one speed that's not
> happening at another? perhaps you can explain?
Gee, I don't know. Why do you suppose the Highlander's manual said to
avoid at any one constant speed for an extended distance?
Explain that one, Genius.
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>>>> Basically what I told
>>>> the OP. With the exception of changing the oil at 1,500 miles. That's
>>>> the only real departure I took from the manual. Unless the engine has
>>>> a special 'break in' oil like a Honda, I don't see what the big deal
>>>> is.
>>>>
>>>> What it really comes down to is driving the car 3,000 miles pretty
>>>> much at once.
>>> No reason not to with today's engines.
>>
>> What's so much different? Still iron block and aluminum heads with
>> steel pistons and rings.
>
> hondas are aluminum block, but you don't let the details worry you much,
> do you?
I was answering in the Toyota group. It was crossposted. But, since
aluminum is a much softer metal, I think I'd want to take a little care
during the first thousand miles or so.
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>> And everyone keeps throwing 'closer tolerances' at me. I would think it
>> would be MORE im****tant to take it easy the first couple thousand miles
>> if walls are thinner, etc.
>
> "thinner"??? exactly what difference do you think that would make???
Gee, I dunno. Perhaps excessive wear caused by someone not being careful
during break in would cause irrepairable damage, for example?
Thinner walls means replacing the block rather than boring and honing.
Speaking of boring...
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