pre61-list-digest Sunday, January 24 1999 Volume 03 : Number 022



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Ford Truck Enthusiasts - 1948 - 1948 truck and vans
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In this issue:

FTE Pre61 - Re: 48 F-6 patch panels?
FTE Pre61 - 6 volt to 12 gauges
FTE Pre61 - 9 inch rears (more)
FTE Pre61 - '51 F-6

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Date: Sun, 24 Jan 1999 00:09:32 -0000
From: "Ray Cardogno"
Subject: FTE Pre61 - Re: 48 F-6 patch panels?

I have been a dedicated 53-56 person, owning several, but am extremely tempted to purchase a 48 F-6 rescue vehicle personel carrier. It looks like a large panel truck or maybe slightly similar to a small bus, but it 2 doors and has a full width front bench seat that will seat 5! with one person to the left of the driver! It has a 12-foot bench seat on each side in the rear. It has only 2300 miles, but has a little bit of rust. Has anyone seen these before?

My questions:

Do they make a patch panel for the fender section that surrounds the frame rail near the bumper?

Would the f-1 lower rear front fender repair patch panels fit an F-6 fender? I am assuming the wheel opening is bigger

Does anyone have a solid set of front F-6 fenders?

Thanks,
Ray C


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Date: Sat, 23 Jan 1999 20:10:30 -0500
From: "C. Greenlaw"
Subject: FTE Pre61 - 6 volt to 12 gauges

I see a lot of gauge questions on the list lately, and thought I'd
throw in my 2 cents, maybe someone can get a tip they need. The
operation principe of early Ford, up to 55 for sure, and no doubt a good
deal later, is bimetallic heating. A fine wire is wound around a
bimetallic strip, kind of like a thermostat, and as current passes thru
the wire, the metal strip heats and bends. More current, more bending
and, because the rate of current flow is the only motivating force, the
gauges don't care if they are positive or negative ground, but they do
care about voltage and sender (system) resistance. The gauges I'm using
in my '47 came from a '47 passenger car they bolt right in and look
factory, but different. The resistance of the gauges seems to be around
13 ohms. terminal to terminal, and all the gauges seem pretty equal. I'm
using stock 80 PSI oil and 212 deg flathead senders, and a '88 Ranger
gas tank.

I set the oil sender up in an air regulator and fiddled with my voltage
reducer to get the gauge to read mid way at 40 psi, which happened to be
be at 6.8 volts. I then boiled some water and put my temp sender in it,
connected up of course, and observed the gauge readings. At 212 there
was still some scale left, and at 160 it touched mid range. I was pretty
happy to see this, because at 195 degrees, a fuel injected motor is
pushing the flathead gauge pretty hard, and doesn't leave much room for
adventure. The gas gauge is giving some trouble, modern ford senders run
10 to 73 ohms, and my '47 sender ranged 20 to 148. I can't quite figure
out what they changed to want to do this, but there it is. With the
Ranger sender, full is about 3/8 of the sender travel, and empty reads
about 1/4 full. This of course can cause embarrassment on the highway,
so I plan to add external series resistance to drop the reading down
close to empty and take my chances on the full end.

For a power supply, I looked a Steve D's web page, and while his basic
circuit is pretty neat and one heck of a good idea, I didn't like it
because it wasn't adjustable, and the 7806 regulator is hard to come by
around here, I never did find one. There is a similar regulator that
uses a variable resistor and can put out just about any voltage you'd
want, it cost me about $5.00. I built that on a small breadboard and
mounted it right on the back of my instrument cluster along with a fast
blow 2 amp fuse for disaster insurance. Does it work? so far it's got
about 2 hours of bench use and two blown fuses. One really should use
wire nuts when hooking up senders on the bench. If it wasn't so wet and
crappy out, I'd go outside get the package and tell you the part
numbers, anybody wants to know, mail me, I'll make the effort. Also if
someone wants the package, I've got the whole dash thing documented in
Autocad, and can email a scan. Its particular to a '47 but will apply to
any 6 volt system.

47Fred

PS Did anyone go to the Boston Bayside Expo, World of Wheels? How was
the show?

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Date: Sat, 23 Jan 1999 18:37:10 -0800
From: George
Subject: FTE Pre61 - 9 inch rears (more)

A magazine article which quoted Currie as it's info source stated the
following:

1957-72 1/2T - 61 1/4" flange to flange
1973-86 1/2T - 65 1/4" flange to flange

They were all available in 28 or 31 spline versions and the 9" has nearly
every desired gear ratio available from boneyards through SVO Stock. The 28
spline is speced for usage up to 300 HP. For any requirement beyond that,
the 31 will do the job.

If your goal is something less than a 100 point restoration or is a
resto-rod, the passenger car 9" was produced with a larger variety of
narrower flange to flange widths.

George Miller

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Date: Sat, 23 Jan 1999 20:21:31 -0600
From: Leslie Crawford
Subject: FTE Pre61 - '51 F-6

I have a 1951 F-6 that I would like to turn into a carhauler. I want to
change the front
and rear (2-speed) to a later model 1 ton. Has anyone done this? I would
like an easy
change. Is that possible? Any help will be greatly appreciated.

Jerry

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End of pre61-list-digest V3 #22
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