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  #1  
Old November 5th, 2014, 02:19 PM
BRAB
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Brandon
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defender heater question

If i were to remove the intake arm to the blower motor would the operation of the heating system be affected?

The blower motor should be able to push air without the duct?

any advice is appreciated

looking to run a snorkel through the vent and was wondering if i can get away with this work around.
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  #2  
Old November 5th, 2014, 03:24 PM
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On rhd mod vehicles with snorkel, I'm pretty sure they installed a series style heater intake in the wing side.
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Old November 5th, 2014, 03:29 PM
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mark kellgren
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removing that elbow means the heater will suck air from engine compartment instead of outside air. That means the heater air will be warmer (yay!) and have some pleasant hints of oil cake and carbon monoxide, blended with a hint of diesel and dust.

Are you feeling sleepy Dorothy?
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Old November 5th, 2014, 03:31 PM
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Old November 5th, 2014, 03:32 PM
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Brandon
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Mark,
I think i can manage passing out due to carbon monoxide, if i am doing it in a slightly warmer environment

series side intake seems like a good option.
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Old November 5th, 2014, 03:34 PM
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It is certainly more of a concern on a RHD as it is getting air from the exhaust side of the engine bay. In my truck, as I have a much larger than stock heater, I have no duct (as it is too small). I'm divided off the area under the wing from the engine bay using tarp material.
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Old November 5th, 2014, 03:35 PM
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I could avoid the issue and do a hood routed system
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Old November 5th, 2014, 03:45 PM
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I prefer the Southdown style myself.
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Old November 5th, 2014, 03:47 PM
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Quote:
Originally Posted by Red90 View Post
It is certainly more of a concern on a RHD as it is getting air from the exhaust side of the engine bay. In my truck, as I have a much larger than stock heater, I have no duct (as it is too small). I'm divided off the area under the wing from the engine bay using tarp material.
What do you use as an up-rated heater?

I was thinking of possibly getting a webasto unit
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Old November 5th, 2014, 03:49 PM
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Quote:
Originally Posted by BRAB View Post
What do you use as an up-rated heater?

I was thinking of possibly getting a webasto unit
If you're going to throw in an airtop or airtronic, then you might as well rip out that LR garbage and reclaim the space!
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  #11  
Old November 5th, 2014, 03:58 PM
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Quote:
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What do you use as an up-rated heater?

I was thinking of possibly getting a webasto unit
There is a writeup around here somewhere. There are a lot of options if you are able to do a bit of fabrication. Aftermarket coolant based heaters are plentiful and low cost. The one I used is huge (10 kW, 400 cfm) and won't work on a RHD as there is not enough space.

An airtronic is a great add on, but it won't replace the stock heater. They are not large enough and you would lose defrost.

I measured my stock heater at about 3 kW and 160 cfm, which should be a good reference if looking at aftermarket alternatives. If I were doing a RHD, I would probably use this one: http://www.summitracing.com/parts/SUM-991102-1/ 8 kW and 260 cfm. A lot more heat and similar air flow.

There is also a fair bit you can do to help the stock heater. Out of the vehicle, I got 240 cfm, the stock installation is quite restrictive.
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Old November 5th, 2014, 04:21 PM
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Why not take a leaf out of a series III and go with the side intake cut through the front wing/fender?

http://www.roversnorth.com/Land-Rover-Parts/45

http://www.roversnorth.com/ProductDe...e=0&eq=&key=it
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Old November 5th, 2014, 04:24 PM
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That mansfield is an interesting thought
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Old November 5th, 2014, 05:01 PM
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That mansfield is an interesting thought
At $1000 ?
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