I have seen pix of a number of racers that had a row of louvers right over
the carbs (?)
Clay L.
'67 Sprite
At 04:33 PM 6/21/01 -0700, Glen Byrns wrote:
>Dave,
>
>I have the same problem due to the unusual set-up I have that routes the
>fuel line above the motor from the right side to the left over the valve
>cover. After warming up the engine on a very hot day, it will act very
>badly until enough 'cool' fuel has moved into the float bowl. The
>temperature this last week has been 100 and above. Now that the alum. core
>radiator has cured my overheating problem in hot weather, I've found this to
>be the next challenge. I'm going to try re-routing the fuel line and
>introduce a fiber spacer and heat shield between the turbo throat and the
>carb.
>I believe the heat under the bonnet gets high enough under the above
>described conditions to bring the fuel to a boil in the rubber fuel line
>were it reaches its highest point above the valve cover. A bit of header
>wrap on the turbo outlet pipe until it exits under the car will probably cut
>the under bonnet heat as well.
>
>Regards,
>Glen Byrns
>'59 bugeye
>'59 Morris Traveller (Winifred)
>
>"I'd like to die peacfully in my sleep like my grandfather, not screaming in
>terror like his passengers"
>
> > Last summer I was having missing problems that I concluded was the fuel in
> > the float bowls getting hot in stop and go traffic. One of the local LBC
> > mechanics made me a custom heat shield to go between the headers and the
> > carbs. It came complete with asbestos on the back and seemed to cure the
> > problem or at the very least, alleviate it. Today is the first really
>warm
> > day here, 29C, and its up to its old tricks. If you sit at a light for a
> > couple of minutes or shut the car off for 5 minutes it coughs and
>splutters
> > until fresh fuel is supplied.
> >
> > Do those of you that live in areas where daily temperatures in the 80+F
> > range are the norm have a similar problem? If so, I would really
> > appreciate some help. I have thought of wrapping the headers or putting
> > reflective tape on the float bowls but I'm also wondering if maybe there
>is
> > a fuel line routing issue that I'm not seeing. My fuel line is the
> > original with the exception of a filter just head of the carbs and braided
> > fuel line there also. The engine seems to be running at just slightly
> > warmer than what it does is much cooler weather so I not sure that is a
> > factor.
> > Suggestions??
> >
> > Dave
> > '72 MKIII
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