[AT] New product panics (was) Detroits

Steve W. falcon at telenet.net
Tue Aug 1 14:05:28 PDT 2006



Ken Knierim wrote:
> On 8/1/06, Steve W. <falcon at telenet.net> wrote:
>> It is actually a benefit if your running the newer aluminum rims, the
>> lack of moisture and oxygen limits corrosion on the rim itself. I run it
>> simply because I have tanks of it here anyway.
> 
> Since I live in a desert I guess I'm out of that loop... but after the
> aluminum forms its native oxide doesn't it stop oxidizing? I know it's
> dependent on the aluminum alloy, but I didn't think they allowed
> crappy alloys in the rims for safety's sake. Or does the increased
> pressure in the rims change that? Here we get the elevated
> temperatures that causes tires to fail a lot more (look out for the
> "road gators" in summertime... tread seperation causes the road to be
> littered with tire carcasses when it gets hot)
> 
The aluminum would stop oxidizing IF the old oxides would stay in place 
but they don't. The rims are cast of reasonably good alloys but even 
then they sometimes develop problems. In my case it's easier to have the 
tank anyway. Even a small tank can fill a LOT of tires.


>>
>> The detergent oil item is true IF the engine is full of sludge and has
>> generally been neglected. Then you usually get leaks due to the
>> detergent cleaning those surfaces. The sludge then gets in the pan and
>> can block the oil intake screen.
>>
> 
> No doubt, but the way it's been presented on occasion was that "don't
> do it! you're going to break the engine!" rather than a logical
> explanation like yours. Most of the engines by now that were running
> non-detergent oils have been apart (for obvious reasons) and cleaned
> up so it shouldn't be much of an issue. But I still see folks that
> don't think you should use detergent oils in old engines... it's quite
> a "wives tale". :)
> 
> Ken in AZ
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