how to Connect Clamshell heater ?

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Joined
Mar 3, 2004
Threads
141
Messages
696
Location
France
Website
www.serie4.fr
Hello
is someone could tell me how to connect, about the vent and water ducts my oem Clamshell heater on my fj40 1963-64 ?

thank you

the same as this
1765782864684.webp
 
The picture doesn't show any water lines going to the heater. Is it possible the heater lines go though the firewall and hoses connect inside the engine compartment?
 
The heater lines do indeed go straight out the back of the heaters. The lines would go through the firewall of course and to their connection points in the engine bay. For the air vents. Your plenum on the back should have two ports, one facing up and one facing to the side, so you could direct the heat to the defrost ports at the windshield.
There is no way to turn off the defrost, once the heater is on, the dual fans send hot air forward out the front and the back of the heater. :)
clamshell back.webp
 
there is no defrost function on a 64 windshield :) , just air entry front or down :) or is there an hidden function ?
 
The heater lines do indeed go straight out the back of the heaters. The lines would go through the firewall of course and to their connection points in the engine bay. For the air vents. Your plenum on the back should have two ports, one facing up and one facing to the side, so you could direct the heat to the defrost ports at the windshield.
There is no way to turn off the defrost, once the heater is on, the dual fans send hot air forward out the front and the back of the heater. :)
View attachment 4048769
can you Send me a picture of your 65 firewall setup ? thank you
 
there is no defrost function on a 64 windshield :) , just air entry front or down :) or is there an hidden function ?

That is interesting. Some where I have the information when Toyota added defrost duct to the windshield. It was a couple years before the complete factory installed heater started during 1964. The Nippon Denso heater are rare in the US. Toyota made a deal for a US manufacturer for a kit to install a heater. 65 models had factory heater as an option. 66 on later a heater was installed on all US imported Land Cruisers.
 
That is interesting. Some where I have the information when Toyota added defrost duct to the windshield. It was a couple years before the complete factory installed heater started during 1964. The Nippon Denso heater are rare in the US. Toyota made a deal for a US manufacturer for a kit to install a heater. 65 models had factory heater as an option. 66 on later a heater was installed on all US imported Land Cruisers.
for information my 64 come from USA, was imported by a boat shipping company in sweden, it has the corrugated hartop with the top vent and this clamshell heater denso :)
 
can you Send me a picture of your 65 firewall setup ? thank you
My 64 building didn’t come with a factory heater. Someone added a aftermarket one later. I tore that out and I still need to install my clamshell. I need to make a bracket and probably drill two holes. The brackets that have come with the clamshell heaters I have brought in have all been super simple metal plates with two mounting points. I want to design one with 3-4 mounting points.

My 40 also didn’t come with the defrost vents but had the holes for mounting them on the frame, so I found a pair and added them. If you don’t need defrost and your heater has the rear plenum and dual fans, I would take that rear fan blade off the shaft so you don’t have it needlessly working against the fan pushing air out towards the cabin. :)
 
i will post somes pictures of my clamshell heater because it is a particular setup, here are the parts before the rebuilding (will post the finish restoration pictures soon)

 
Here is a rare option i thin’k....never seen another one.

IMG-20251217-WA0023.webp


IMG-20251217-WA0026.webp


IMG-20251217-WA0024.webp


IMG-20251217-WA0025.webp


IMG-20251217-WA0027.webp
 
Looks like there’s a little door on the front that directly let’s in vent air when not running the heater.
 
Looks like there’s a little door on the front that directly let’s in vent air when not running the heater.
There are 2 little doors.

IMG-20251217-WA0029.webp
 
Thats really cool! Similar to this one.

View attachment 4050128
Love it...could be interesting to have more informations on thoses heaters..i was reading on cruiser cult web page about ,they are denso under bosch licence...but there is bot a lot of documentation
 
Love it...could be interesting to have more informations on thoses heaters..i was reading on cruiser cult web page about ,they are denso under bosch licence...but there is bot a lot of documentation
We have a few more brochures at the bottom of this page. 1960s - https://www.cruisercult.com/1960s
I haven't seen anything in a catalog with that add-on yet. But maybe one will pop up! :) Most cruiser photos I have seen just have the clamshell. No fresh air intake... which is a pretty pimpin add-on!
 
There was an early FJ45LV in the 45 section with a heater setup to bring in outside air. The air does. Air does not come in thru the kick out vent but a hole cut in front of the kick out vent. The grill in the picture goes on the outside. Reason for outside air connected to the heater is to bring in outside air with less humidity. Closed up vehicles with fog up with people breathing inside. Cold windows air on the inside with hit the dew point and moisture condenses. Canada models has relief vents in the back in the later 40 series. Only market I seen with them on the 40 series. From the 60 series on Land Cruisers had relief vent in the back.
 
We have a few more brochures at the bottom of this page. 1960s - https://www.cruisercult.com/1960s
I haven't seen anything in a catalog with that add-on yet. But maybe one will pop up! :) Most cruiser photos I have seen just have the clamshell. No fresh air intake... which is a pretty pimpin add-on!
i sent mail with pictures to your website :)
maybe you can do something of this information
 
mine is clearly this model ,
1766052808364.webp

16500-027-1



1766052854747.webp

unfortunatly , my plate gone because of painter job company who didn't care (even if i said him to remove or hide the plate)
i will make a new one
 
i sent mail with pictures to your website :)
maybe you can do something of this information
Awesome! I'll update the heater blog post to include some of the photos you sent. :cheers:
 
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