RE: Stalling Issue

[<62-65-mail-list-club@xxxxxxxxxxx>]

Good tips Gary. Here are 2 references:

Don  Dulmage’s old post on shielding the mechanical fuel pump:
http://www.1962to1965mopar.ornocar.com/poly318fuelpumpshield.html

 1 3/8ths laminated wood spacer:
"The carburetors were so hot from the engine even with the Swirl Torque aluminum spacers that they would evaporate 
the bowls empty in a short time after shutting down. At the time the only spacers I could find for the bolt configuration 
of my manifold were made of aluminum so I made my own 1 and 3/8" plywood spacers from MDX and that reduced the 
bowl temps from 180 degrees to 110 degrees -- Rich Kinsley
http://www.1962to1965mopar.ornocar.com/images/mmo520166.jpg

I don't have a photo of  Rich Kinsley’s electric fuel pump shield that I can  find right now. 

Thanks,
Gary H.

>  -------Original Message-------
 
>  Hi Larry,
>  
>  Firstly, the 1964 Barracuda NOS carb may not be suitable for unleaded
>  fuel and some of the gaskets have decayed/gummed-up or you are
>  experiencing the common fuel percolation “when HOT” and need to
>  shield your carb from excessive intake/exhaust manifold heat transfer;
>  a simple wood/phenolic resin spacer under the carb and a thin aluminum
>  “heat shield” would suffice. Also shield your fuel pump with the
>  thin aluminum heat shield on both vehicles.
>  
>  Secondly, your ’74 Charger would benefit from the same modifications
>  to reduce heat transfer to the carb and fuel pump…remember Don
>  Dulmage’s old post on shielding the mechanical fuel pump?
>  
>  And Rich Kinsley’s electric fuel pump shield when placed at rear of
>  the vehicle and near exhaust/muffler components.
>  
>  I suggest trying these inexpensive common-sense approaches first;
>  especially wood/phenolic resin carb insulators. Laminated
>  hardwood/plywood is your best heat insulator, bar none. A Rich Kinsley
>  1 3/8ths laminated wood spacer cut 80F degrees of heat transfer from
>  the intake manifold to the carburetor float bowls; and the Thermoquad
>  carb phenolic resin float bowl “does” reduce fuel temp by 20F…as
>  claimed by the factory. There is immense power in a cooler fuel
>  charge; for every 1F degree of fuel temp reduction there is a 1%
>  increase in gross HP down to a fuel temp of 50F; no benefit after 50F.
>  Heat reduction/transition coatings on interior & exterior engine parts
>  and components yield huge power gains and promote longevity of engine
>  parts. For example; exterior heat barrier and plenum & intake runner
>  coatings on a single four barrel aluminum manifold dropped the plenum
>  temps to an unheard of 68F; this number taken immediately after engine
>  stand run-in on a HOT engine seconds after shut-down.
>  
>  Gary P.
>  
>  FROM: 'Larry Ashbaugh'  
>  
>  I have a problem with a couple of my cars, and it seems to be similar:
>  When the car starts, it runs decently, but after it gets hot, it
>  stalls. When re-started, it wants to stall. This is on a 64 Barracuda
>  (Slant 6, 1bbl carb, automatic), and a 74 Charger (318, 4bbl,
>  automatic).
>  
>  I was thinking it could be the float? on the Barracuda, as I recently
>  changed the carb with a NOS carb before the issue began. However, this
>  just started on the Charger, which has an Edelbrock 4bbl carb. Neither
>  are used or started much, and the gas is pretty old....
>  
>  Larry
>  
>   

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