Another solution to the fuel overflow due to heat
soaking is to simply lower the fuel level in the bowl
so that when it expands it has not expanded enough to
overflow the bowl. An old carb guy told me this and
it has worked for numerous IMLers on a variety of
carbs.
Btw, my 68 has a holley and it runs rough but then I
haven't messed with it at all. yet.
Kerryp
--- Mike Pittinaro <mechimike@xxxxxxxxx> wrote:
>
> > My solution was to install 3 metal plates
> sandwiched
> > between 4 carburator gaskets, thus creating a
> > miniature radiator under the carb. During really
> > hot
> > (95 degree plus) days with the A/C on, the idle is
> > still a little rough, but its much improved.
> >
> > Mike,
> > What kind of metal did you use and what was the
> > thickness of each layer
> > please? I am assuming the gasket material you are
>
> Actually, the whole thing came as a kit from MR
> Gasket. 4 gaskets and 3 aluminum plates, each plate
> was about 1 mm thick. And it did indeed make a
> marked
> decrease in hot weather hot engine fuel
> vaporization,
> thus improving idle. a 1/2" thick phenolic spacer
> would have been better, perhaps, but all the ones I
> saw were 1" or more- too thick for the limited
> underhood clearances.
>
> =====
> --Mike Pittinaro
>
> Piles of pitted chrome
> Hubcaps along the floorboard
> My junkyard-bedroom
>
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