Based in Bill Brewers advice I also bought the Maradyne heater for my TR3A.
(Thanks Bill!!)
http://www.sportsimportsltd.com/12-volt-maradyne-cab-heater-12-500-btu.html
I currently have it installed in my TR3 & it is putting out a lot of heat!!!
It is so un-LBC!!!
Unlike Bill I decided to turn the heater core 180 degrees in the box, so that
I could attach the heater box directly to the back of the battery box and
still have all the heat output doors in the right orientation. To do that I
took the front off the heater box(6 screws), pulled out the core cut the tubes
to size, I then cut two holes in the front for the input & output lines. & I
then cut off the in & out tubes to size & sweated on elbows to form a U that
bends up over the top of the box. I decided on over-the-top so as to maintain
the maximum space to be able to be able to get access to the under dash
wiring.
I used compression fittings to get tube size down from 1/2 inch to 3/8 inch,
the size of the heater hose. I also glued an old piece of cork gasket to the
back to insulate the box against rattles and to cover the hole from the
original tube exit holes.
I attached the heater to the inside of the back of the battery box using
heavy-duty pop rivets , I tried to get the bottom of the heater box even with
the bottom of the battery box. I then connected the water hoses and then the
hot wire using my old heater fan control -- which still works great!
BTW, I found removing the tunnel carpet made it much easier to maneuver the
box under the dash and into position.
On the test drive I was surprised!!! I have never had an LBC that had such
hot air!!!
I have a word doc with pictures if anyone is interested. Just contact me off
line.
John
John A. Wise
Glendale, AZ
1960 Triumph TR3A
Commission No: TS80422L
http://members.cox.net/60tr3a/
http://www.triumphowners.com/876
1977 Porsche 911S
http://members.cox.net/porsche911s/
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