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Old 01-02-2021, 09:36 AM   #1
skidmarks
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Default 1941 ford pickup heater

Looking for information on mounting / drilling the holes in the correct location.

1941 ford pickup. I have the correct truck heater which is a little different then the car ( identified by the drain plug)

Truck is a factory 6 CYLINDER and not a V8. All the V8 trucks show the heater in the center of the firewall. But i dont think that will work with the 6 cylinder.
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Old 01-03-2021, 09:09 AM   #2
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Default Re: 1941 ford pickup heater

The distance between the water inlet oulet is narrower by over 1" then the 6 cyl head and the overall height of the 6 cyl motor would place the heater a lot higher on the firewall then a V8 truck

Placing it over on the passanger would give it plenty of room because the battery is on the left.

Trying to make it as close as possible as what it would have been new. Trucks seem to be built with no heaters then the dealer installed if the customer wanted one?

Truck is a 1941 ford half ton 6 cylinder with column shift transmission . Another feature that is pretty scarce is the ford script sliding rear window
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File Type: jpg 149512.jpg (60.9 KB, 109 views)
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Old 01-03-2021, 02:21 PM   #3
40larry
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Default Re: 1941 ford pickup heater

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Originally Posted by skidmarks View Post
The distance between the water inlet oulet is narrower by over 1" then the 6 cyl head and the overall height of the 6 cyl motor would place the heater a lot higher on the firewall then a V8 truck

Placing it over on the passanger would give it plenty of room because the battery is on the left.

Trying to make it as close as possible as what it would have been new. Trucks seem to be built with no heaters then the dealer installed if the customer wanted one?

Truck is a 1941 ford half ton 6 cylinder with column shift transmission . Another feature that is pretty scarce is the ford script sliding rear window

I used to do a lot with these heaters a few years back. I never was involved with the installation into a 6 cyl 1941 truck. The V8 installation puts the heater on the passenger side and it straddles the step in the firewall. Check out the Howard Towne book Two Great Trucks where he has included a photo of the 1941 truck ( I assume it is a V8) heater installation inside the cab. I may have a partial install kit from Ford for your 6 cyl heater, I will look for it........good luck
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Old 01-03-2021, 02:36 PM   #4
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Default Re: 1941 ford pickup heater

I was wonder about the off set in the firewall . Which makes sense with the heater core tube to the right side is longer. One heater has on longer stud and a spacer. The shorter studs dont appear to be cut off.

The one piece to work around is the starter solonoid thats on the right side in the same general location as a V8 butnthe battery is on the left and cable runs over the bellhousing. The 4 cyl runs the cable from the solonoid to the starter the same way . The 4 cyl starter is on the left
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Old 01-03-2021, 02:42 PM   #5
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Default Re: 1941 ford pickup heater

This may help.
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File Type: pdf 1940 Ford Heater Installation.pdf (789.9 KB, 81 views)
__________________
19 and 49 F1 - jes' like Henry II built
1946 Deluxe - as Henry built it
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Old 01-03-2021, 04:28 PM   #6
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Default Re: 1941 ford pickup heater

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Thanks but a 1940 is a different animal altogether from a 1941 pickup. You would think it would be the same from all the other similarities.

I dug around the parts pile and found a 46 truck firewall that has donated some patch panels. It still had enough left of the area a heater had been but was mounted a little off. The heater i have fits it . Going to adust some holes then make a template off it.

The other issue of mounting it is, the 6 cylinder pickup has the choke, throttle and vacuum hose for the wipers all in the same location with the starter solonoid below it to work around. Not much room for error or messing up the paint or the firewall pad.
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File Type: jpg 149607.jpg (74.9 KB, 63 views)

Last edited by skidmarks; 01-03-2021 at 04:36 PM.
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Old 01-03-2021, 07:15 PM   #7
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Default Re: 1941 ford pickup heater

Another couple questions:
Correct color and the correct strips if original.

The 2 heaters shown. The one with the strips looks greenish grey and the strips look orange. This one also has a rod to switch the defrost ducts open or closed.

The other which i think is later up to 1947 shows no color just surface rust. No strips and a cable operated for the defrost ducts.

Both mount the same and are identified truck by the drain plug in the heater core.
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File Type: jpg 149677.jpg (32.2 KB, 41 views)
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Old 01-04-2021, 12:38 PM   #8
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Default Re: 1941 ford pickup heater

Quote:
Originally Posted by skidmarks View Post
Another couple questions:
Correct color and the correct strips if original.

The 2 heaters shown. The one with the strips looks greenish grey and the strips look orange. This one also has a rod to switch the defrost ducts open or closed.

The other which i think is later up to 1947 shows no color just surface rust. No strips and a cable operated for the defrost ducts.

Both mount the same and are identified truck by the drain plug in the heater core.

Ford used same colors and stripe pattern on heaters in the truck as that of the passenger car. All the 1941 heaters used a short rod to pull the defrost control flapper valve.
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Old 01-04-2021, 01:25 PM   #9
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Default Re: 1941 ford pickup heater

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Originally Posted by 40larry View Post
Ford used same colors and stripe pattern on heaters in the truck as that of the passenger car. All the 1941 heaters used a short rod to pull the defrost control flapper valve.

Cool thank you.
The other cable operated one is probably a 1942 to 1947.

As for getting the correct color paint, is there a code or a spraybomb that will work?
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Old 01-05-2021, 02:36 PM   #10
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Default Re: 1941 ford pickup heater

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Originally Posted by skidmarks View Post
Cool thank you.
The other cable operated one is probably a 1942 to 1947.

As for getting the correct color paint, is there a code or a spraybomb that will work?



Good luck finding an off the shelf spray can color to match the originals. If you have an old 1941 heater to provide good samples you can have your auto paint supply dealer match them and put them into a spray can.
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Old 01-05-2021, 08:09 PM   #11
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Default Re: 1941 ford pickup heater

Got the heater mounted. The added obstacles.to that area on the firewall are the choke, throttle and vacuum lines along with the higher mounted starter solonoid. Had a parts firewall that worked as a mockup then made a paper template to transfer the 5 holes for the heater.

Next question, were does the switch mount? I have seen 40 pickups mounted like 39 and 40 cars with it up under the dash pointing down. 42 to 47 trucks.i have see with a seperate bracket mounted under the dash.
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Old 01-06-2021, 05:59 AM   #12
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Default Re: 1941 ford pickup heater

Looks good Charlie, can you post some pictures from in the cab?
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Old 01-06-2021, 07:57 AM   #13
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Default Re: 1941 ford pickup heater

This picture shows the heater in a big truck. The switch doesnt appear to be visible. I am guess its in the bottom flange of the dash between the column drop and the drivers door? I had a 39 deluxe car that was mounted that way that assume was right for the car.
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Old 01-06-2021, 08:05 AM   #14
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Default Re: 1941 ford pickup heater

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Originally Posted by rustynutz View Post
Looks good Charlie, can you post some pictures from in the cab?
I will when i get the heater installed. Waiting on a new firewall insulation pad. Just recieved the complete new wiring harness from Olson. His wiring harnesses are top notch. Had fuses and turn signals included in the factory style harness.
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Old 01-06-2021, 08:20 AM   #15
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Default Re: 1941 ford pickup heater

41 had a plate to mount below the dash similar to a 42 up but with only a hole for the heater switch. will get a picture of the two in my trucks today and post
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Old 01-06-2021, 09:53 AM   #16
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Default Re: 1941 ford pickup heater

You can see it clear in this picture of a 1940

Is the 1940 truck heater the same as a car?
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Old 01-06-2021, 10:24 AM   #17
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Default Re: 1941 ford pickup heater

cast iron spray paint your choice to clear coat or not.
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Old 01-06-2021, 11:51 AM   #18
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Default Re: 1941 ford pickup heater

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Originally Posted by skidmarks View Post
You can see it clear in this picture of a 1940

Is the 1940 truck heater the same as a car?

No. The 1940 truck heater has a drain fitting threaded into the lower tank and a hole in the outer sheet metal for it. The layout of the two water tubes and mounting bolts on the back side is much different from the passenger car heater. The truck heater looks identical from the front.
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Old 01-07-2021, 11:02 AM   #19
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Default Re: 1941 ford pickup heater

pictures of two heater switch plates for 41, one that is square was broken when I got it and I just JB welded it back together other was found at a fleamarket with a 41 heater
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Old 01-09-2021, 08:45 PM   #20
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Default Re: 1941 ford pickup heater

Are either correct for the truck? I think the fancy one is like the one i had in a 41 car and the "more square" is truck or truck only?

The defroster nob on my heater, from what i found is supposed to be a 39 40 because its just a plain nob were the replacement one available should be larger with DEF on it
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