fordtrucks-digest Wednesday, April 1 1998 Volume 02 : Number 087
Ford Truck Enthusiasts - 1960 And Older Trucks Digest
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In this issue:
Re: Cool Flatheads [Ken Payne ]
Re: Fuel Supply Problem ["Mitch Miller" ]
Re: Need Mid Fifties front shock mounts. [AZYacht ]
Date: Wed, 01 Apr 1998 00:43:17 -0500
From: Ken Payne
Subject: Re: Cool Flatheads
At 11:22 PM 3/31/98 -0500, you wrote:
> Boy did I start something. To begin with,I want to make it clear that I
>am the elder of two Earls which operate from the same E-mail address. The
>younger one has a degree in mechanical engineering and mathmatics. I ,on the
>other hand, am a graduate of the school of Skinned Knuckles with a degree in
>greasy fingernails and racing dirt.
> Now down to buisness. I really didn't mean to start a war with the
>advise on cooling a flathead. The suggestions I offered REALLY do work. I
>have used them on a lot of engines both on the street and the race track.
>You have to remember that the engine we are dealing with is a very old
>design and sometimes modern idea just don't apply. Yes at is true that the
>laws of thermodynamics still apply but in a different way. Engine and
>radiator designs have changed tremendously in the last 45 years.
> Don't take my word for wheather or not these methods work. Just ask one
>of the old time dirt dobber race mechanics who used to run one of these
>tough little mills. Sometimes you have to ignore "modern" technology.
>Remember, From an engineering standpoint, the bumble bee can't fly. Trouble
>is, he doesn't know it so he flys anyway. The same reasoning applies to
>cooling a flattop.
> Get rid of the blinders of the presant. Go outside of the envelope of
>modern thinking. Sometimes old ideas do work.
> Keep on truckin friends
> Earl T Ingram III
I've heard it explained like this: coolant builds a hot "thermal
layer" next to the metal in the radiator. In a high flow situation,
the thermal layer doesn't move as fast as the water not next to the
metal. What ends up happening with too much flow is hot water just
moves rapidly through the radiator but it never makes contact
with the surface of the radiator, hence it doesn't cool as well.
Slower moving coolant doesn't have this problem and cools better.
This is only true to a certain point though, as it will definately
loose efficiency if the coolant moves too slow. I've seen this
method you describe in magazines before, I believe that even
Classic Auto Restorer mentioned it and they're a very reliable
source (I may be wrong, I'll have to dig up the back issues to verify
this). I know this principle does apply to air as a heat exchanger
in a moving "tunnel" so it makes sense that it applies to liquid
Date: Wed, 1 Apr 1998 00:23:17 -0600
From: "Mitch Miller"
Subject: Re: Fuel Supply Problem
A quick solution to air-lock / vapour-lock situations...
I installed a squeeze-type primer bulb in the gas line close to the fuel
pump. I use one that is like the primer in the gas line in my boat,. A
few squeezes fills the carb and I avoid having to roll-ll-ll-ll-ll-ll-ll-ll
over my flattie until it starts.
Date: Wed, 1 Apr 1998 02:49:32 EST
Subject: Re: Need Mid Fifties front shock mounts.
We are putting real shock absorbers on the straight axle that is stock except
for Super Bell discs. The rear is a Currie 9" at 3.25, C6 and the real
kicker... a 4.9L for motive! We call it the 'Not Rod', just an ugly ridin'
dependable easy fixin' ride.
End of fordtrucks-digest V2 #87
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