My Name Is Nobody wrote:
> "WindsorFox" > wrote in message
> ...
>> Michael Johnson wrote:
>>
>>> I don't know exactly what our landfill does with the oil but I'm sure it
>>> isn't discarded either. Personally, I think changing the oil every 3,000
>>> miles is more important than using high dollar synthetics. Changing it
>>> regularly flushes out contaminants and for most users provides more than
>>> adequate protection. Maybe some vehicles that see extremely cold weather
>>> benefit from the better viscosity properties of Mobil One or other
>>> synthetics.
>> If you have a good filter there should be no need to flush any
>> contaminates and a simple drain and refill isn't much of a flush. I did
>> flush my Mustang when I changed to synthetic, or I should say real
>> synthetic. The crap left behind by 5 years of Castrol GTX was truely
>> astonishing.
>>
>>> My truck doesn't burn (or leak) any noticeable amount of oil between
>>> changes and it has seen a variety of brands (i.e. whatever is on sale by
>>> the case at Costco) for as long as I have owned it. I don't even use
>>> Ford filters all the time. If anyone really wants to do their engine a
>>> favor then just change the oil regularly. Same goes for the automatic
>>> transmission which, IMO, is the most neglected component in most vehicles
>>> today. I change the fluid and filter in the Explorer every 30k-40k miles
>>> and am still running on the original transmission which, for an Explorer,
>>> is quite an accomplishment at nearly 200k miles on the odometer.
>> Now riddle me this. If you insist on changing the motor oil at 3-4k
>> miles, why are you comfortable with changing the ATF at 40k with no time
>> limit? ATF is put through just as rigorous usage if not worse than the
>> engine oil is and I've seen ATF described as "The most complex compound
>
> There is NO COMBUSTION going on in your automatic transmission, the
> contaminations involved is orders of magnitude less...
>

I disagree on the magnitude.


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