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Registered
Join Date: Dec 2000
Location: Norway / Merritt Island FL
Posts: 221
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12 V eletrical heater
I am planning to run header without heat on my 73. I thought of using one 12V 150W heating element on each side just before the flapper boxes at the back. The air will be pushed through by the engine an as normal. Has anyone done this? Will 2 x 150 W heaters be enough? The car is not run during the winter, I just need enough warmth to keep the front widow mist free.
Comments appreciated.
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Sigurd 73.5T 3.2SS EFI X87 944S 3.0 |
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10-03-2015, 08:08 AM
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Are you kidding?? VW bugs from the 60's had much larger space to heat and the little forced air system would heat you out of the car!!!! It was a great system.
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10-03-2015, 08:19 AM
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Join Date: Feb 2008
Posts: 1,438
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I like the idea, my car has headers also and a little heat for defrost would be nice.
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Paul Abbott Weber service specialist www.PerformanceOriented.com |
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10-03-2015, 08:23 AM
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ROW '78 911 Targa
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Curious as to how the air will be pushed into the flapper boxes without heat exchangers. Running ducts straight to them?
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Dennis Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds. |
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10-03-2015, 08:30 AM
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Join Date: Sep 2012
Location: Newport Beach CA
Posts: 1,873
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Not enuff amps from the alternator to do any good. Plenty of threads on the subject.
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10-03-2015, 08:47 AM
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Join Date: Jan 2003
Location: Burford, ON, Canada
Posts: 2,322
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The company I work for sells them, but I would never use one. Not enough heat to be noticeable. I doubt the alternator could keep up with one that was large enough; and just for use as a defogger.
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Keeper of 356, 911, 912 & 914 databases; source for Kardex and CoA-type reports; email for info Researching 356, 911, 912 & 914 Paint codes, Engine #'s and Transmission #'s Addicted since 1975 |
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10-03-2015, 04:22 PM
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Join Date: Feb 2003
Location: Black Rock, CT
Posts: 4,345
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Think about it. How much heat would you get blowing air over a 100 watt bulb? (I know, it's anot the same, but it puts it into an easy to get concept).
PLUS, pushing that air , "heated" through cold channels all the way to the windsheild will cool it down.
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Jake Gulick, Black Rock, CT. '73 yellow 911E , & 2003 BMW M3 Cab. Ex: 84 Mazda RX-7 SCCA racer. did ok with it, set some records, won some races, but it wore out, LOL[/B] |
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10-03-2015, 07:47 PM
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Join Date: Oct 2007
Location: North Carolina
Posts: 1,025
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+1 This small space heater is 1500 watts...
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1980 911SC |
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10-03-2015, 08:01 PM
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Join Date: Apr 2007
Location: Bellingham, WA
Posts: 249
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HF has a cigarette lighter plug in for a defroster. No idea how well it works
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68 Beetle 68 to 72 sold 72 911T Nov 71 to present P/U @ factory Nov 19. Car was gift to myself for surviving the army 67 VW split window 74 to 76 sold 81 VW caddy 81 to present |
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10-05-2015, 08:14 AM
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Once i was thinking a way to cacth hot air goes throught engine oil cooler.
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10-05-2015, 08:32 AM
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Cars and Cappuccino
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http://www.carsandcappuccino.com 1987 Grand Prix White "Outlaw" Turbo Coupe w/go-fast bits 1985 Prussian Blau M491 Targa 1977 Mexico Blue back-dated,flared,3.2,sunroof-delete Coupe 1972 Black 911 T Coupe to first factory Turbo (R5 chassis) tribute car (someday) |
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10-05-2015, 08:41 AM
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Recreational User
Join Date: Mar 2004
Location: A Mile High
Posts: 4,159
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Makes more sense just to put a little 120V space heater inside the car with a voltage inverter. Or just rig up a hair dryer under the dash.
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10-05-2015, 10:47 AM
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Porsche 911 Carrera
Heinz
