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Re: gas to varnish: fact or myth? (was Re: [T3] Starting a stored VW)


No chemist; I've worked on plenty of old US cars
though (40's-60's).  Many that were 'stored' in a
barn, or a field, or a cistern, or what have you.  I
personally haven't seen any carbs blocked by varnish,
but the stuff certainly forms.  I've had most of my
trouble with sticking float needles, clogged jets and
the like, rather than actual lines clogging.

I think it's more a factor of time *and* disuse;
varnish forms with heat and lack of cleaning, and it
builds up, eventually causing problems.


--- Greg Merritt <gregm@vwtype3.org> wrote: > 
> 
> On Fri, 8 Jun 2001, Dave Hall wrote:
> 
> > In the USA, I hear, the old gas will be hard
> varnish in the pipes and the
> > whole system will probably need flushing.
> 
> 
> 	I always hear this, but have found that carbs that
> were "parked"
> with gas in them, and sat unused for several years,
> worked just fine.
> 
> 	Is this an urban legend, or is it true?  Would we
> see this "hard
> gunk" in a jar if we filled it with gas and let
> evaporation do its things?  
> Is there a chemist in the house?
> 
> -Greg
> 
>
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=====
Mercifully free of the ravages of intelligence.
If I knew what I was doing, I'd be dangerous.

James MacNaughton
Piper, Village Idiot

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