>> >We put a piece of PVC pipe in my friend's '59. Works a treat - he never
>> >realized he could have that much heat!
>>
>> Is PVC acceptible for this application in terms of vapors it may give off
>> when heated?  It's really convenient to use, but I'd like to be sure of 
the
>> safety factor first.  In any event it might be safer than the original
>> rusted out pipe with asbestos fibers leaking in from the 
gaskets/insulation.
>
>I haven't noticed any ill side effects, except that he suddenly thought
>about voting republican...

Product of a clearer head. When the old, rusty heater tube went away,
the fumes from the stash inside went with it. Presto!   :^)