jls wrote:
>Some stainless is magnetic
True, but copper and brass aren't.
Regards,
Grant
>
>On Tue, 19 Dec 2000, G. Simmons wrote:
>
>> >I just had my oil-bath air filter sand blasted to get the crud and old
>> paint
>> >off. After blasting, the "bowl" of the air cleaner looked like it was
made
>> >of copper. Anyone know if these things were originally copper......or
had
>> a
>> >copper coating??
>> >Tom Caperton
>>
>>
>> Hi Tom, the designs for the round air cleaners most guys find on their
>> trucks go way back, at least to the early thirties and perhaps earlier.
I
>> stripped and repainted two last summer, and they were both galvanized
steel.
>> I originally thought they were stainless because I couldn't believe that
>> galvanization would last that long, but on subsequent consideration, I
have
>> come to believe that the graying metal finish is quality galvanization.
>> Both of mine are magnetic, and I would suggest to you to try a magnet to
try
>> to rule out solid copper or brass.
>>
>> Is it possible that the zinc used in galvanization may have been in short
>> supply due to the war when your air cleaner was made, and it was copper
or
>> brass plated instead of being galvanized? I guess it was the other way
>> around, because I remember zinc pennies were minted during the war to
>> conserve copper. Maybe you have a real old one from a time when they
were
>> copper plating them instead of galvanizing.
>>
>> It would be worth calling Bob Adler on this. I suspect it would interest
>> him.
>>
>> Regards,
>>
>> Grant S.
>> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>>
>
>Thanks,
>-JLS
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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