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Author: Subject: Do I have to freeze because I have Extractors?
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sad.gif posted on June 22nd, 2003 at 09:59 PM
Do I have to freeze because I have Extractors?


Does anyone have an easy solution to my dillema?
Herbie has a set of extractors and therefore no heater as a result, I dont want to return to the original exhaust if I can help it, cant afford to throw what little power upgrade away.
I thought perhaps a heater from an early honda 360z aircooled as they were electric heaters just flick the switch, but they are rarer than split bugs.
I cant find an aftermarket electric heater so far.
Surely I'm not the only one to come up against this problem.




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posted on June 22nd, 2003 at 10:30 PM


there was talk of obtaining 12 volt hair dryers... I don't know if any one ever found any... Can't You still use heater boxes with the extractors?? thats the type I am going to use... Being cold is NOT funny... and having Cold Feet is even Worse... God Bless heat exchangers!!
I tried My wifes' normal 240v hair dryer attached to where the hot air goes into the body of the car....(near the rear axle) it worked well.... My Car hasn't got an engine in it at the moment , so I didn't drive anywhere.... only working on the car.
:D:D:o:thumb




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posted on June 23rd, 2003 at 12:02 PM


I had the same dilema and thought that the 12V hair drier was the way to go.

Then I just realised that I had to take off the J tubes from the front extractors and replace them with quality heat exchangers. The good ones have the same bore size at the extractor J tubes.

Fit 'em, hook 'em up, away ya go!




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posted on June 23rd, 2003 at 12:09 PM


common ppl its only the cold arent the looks on the people you pass faces enough to distract you from the cold, those infact are those puzzeld looks of "whats under his hood"

just a thought
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posted on June 23rd, 2003 at 02:11 PM


...same as astro said. Remove the J tubes, and put your heat exchangers back in.

Squiz.....
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posted on June 23rd, 2003 at 02:36 PM


All depends what size motor/heads you are running.

If you have stock heads you should be able to run heater boxes.
Once you go big valve you have problems with restrictions/heat retention resulting in cracked heads.

Berg and a few others have large ID heater boxes but like most things they are EXPENSIVE.

You can get those "gas" heaters that they run in the states (espacth??) - but i have no idea what "gas" is. Sounds a bit dangerous.

You could try cutting open a heater box, welding some washers onto the J tube to act as a heat exchanger and then but the heater box tin back on.

Dont know if this would cause heat retention and crack heads ..... but......




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posted on June 23rd, 2003 at 02:46 PM


I will have to find the missing heat boxes,
If they will fit then all is good but car came with nothng attached to the cables.
I like the 12volt dryer idea.
Thanks for the advice,




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posted on June 24th, 2003 at 09:40 AM


You can buy brand new Brazilian heater boxes, but they are a bit sus. I would spend a morning at your local VW wrecker and pick the two best original heater boxes from a 1600 Beetle you can find. Look for ones with no rust and no damage if possible. Make sure the flaps move freely. Spend a day cleaning, straightening and brazing them up if necessary - the outer casing is nearly always loose. Paint them with pot belly stove paint and bolt them on.

For the rpm you drive at around town, the slightly smaller inside diameter of your heater boxes, compared with your extractor, will make no difference. I ran stock heater boxes on my 2007cc engine for years and never had head problems - and the heater was as warm as toast.

The 'gas heater' Barry refers to is the Eberspacher auxiliary petrol heater. It was a self-contained box and had a small feed from the fuel tank. It burned a small amount of petrol to make some delicious fan-forced warmth which was blown into the cabin. It put out buckets of heat at a continuous rate, not dependent on engine speed like the stock heater. They were an after-market accessory for Beetles in chilly Europe, where they mounted in the front boot above the fuel tank. Type 4 sedans (411 and 412) were fitted with them as standard.

They would be great for countries like Norway and Finland, but hardly necessary here. A stock VW heater, in working condition, is fantastic and more than sufficient. Mine used to toast my right ankle unless I closed the little door!
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posted on June 30th, 2003 at 11:44 PM


There were electric boosters advertised in the mags in the early eighties, but they seem to have disappeared (they'd need a powerful alternator and need to be limited in how long you used it.) You can use electric jug element cut up and paralleled to make a heater element, but you need to think of how much power is available: A 50A alternator can supply 600W and about 50W is needed to run your car, without allowing for charging the battery. Small fan heaters draw 1200W, it starts to get tricky...

The latest rage in the US is to use hot air drawn off an external oil-cooler. The kits seem rather expensive, but you might be able to come up with an adaptation. It won't warm your car as quickly as the original heater, but it might stop you becoming frozen to your steering wheel... Simply fitting the heater-box housings around the J-tubes also produces a reasonable amount of heat - this is what the cheap copies of the Berg-style boxes do.
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posted on July 1st, 2003 at 11:16 AM


Thanks guys,
I have found a 250 watt 12 volt heater that is used by suvs in the states for keeping warm when you're not going anywhere like when your camping etc I can buy them straight off the net but I am waiting to see if I can find some here in OZ, I think I will go for the independant heater setup because I am not certain I will always run an air cooled setup, After all Herbie is supposed to be able to do wheelies.
But thanks for the help, it does give me a better Idea of all my options.
Cheers Tony




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posted on July 1st, 2003 at 11:44 AM


Keep us updated. I would be interested in a 12 volt heater setup:)
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posted on July 1st, 2003 at 10:37 PM


I will do



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posted on July 13th, 2003 at 09:20 PM


I brought a 125/250w ceramic caravan fan heater from jcar [at woolongabba in brisbane] that plugs into the cig. lighter [you will have to use a relayand use heavier wire to the cig. lighter]and it doesn't work great . It was a try at a cheap alternative ,but maybe I got a dud one,normally my luck



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posted on July 13th, 2003 at 10:34 PM


Could you tell me the web site so i can look at the heaters too
Shane :)
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posted on August 4th, 2003 at 04:39 PM


I've got an idea for you.

One of my friends has an electric massager seat cover, that plugs in to your cigarette lighter, plus it has a heat function, which gets pretty hot.

It was cheap too, I think he paid about $50 bucks for it:bounce.




Ooh, suits you sir!
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posted on August 4th, 2003 at 11:01 PM


That sounds pretty cool,let me know more if you can?
A massage never goes unwelcomed.:D




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posted on August 9th, 2003 at 01:10 AM


You've got to ask yourself " do I deserve the electric chair ?".
My exhaust is the Old 1 5/8 Drag extractors.....I'll just have to freeze.!
I am getting used to the Gloves - scraping my fingers off the steering wheel used to make me late for work. Cheers.




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posted on September 12th, 2003 at 08:53 PM


has anybody looked into using a peltier device.they run off 12 volts. if you hook it up to a large heat sink and a small fan. don't know if it would be good enough to heat a car.i think you can get a kit from oatley electronics that you may be able to experiment with.would probably only draw a couple of amps.
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posted on September 12th, 2003 at 09:25 PM


I haven't heard of that one stevosky.
Its a shame the caravan heater didn't work too well.... Its 0 degrees here most mornings & nights during winter.... so a good heater is a must... Nothing worse than driving 100kms or more and freezing at the same time.... unless its summer..
:D:D:bounce:bounce:D:thumb




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posted on September 12th, 2003 at 09:49 PM


a peltier device is what they use in the car fridges and if you reverse the polarity it acts as a heater. it may work in a beetle??
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posted on September 12th, 2003 at 10:39 PM


:bounce so if you don't reverse the polarity we could have air con for summer and reverse it for winter!. are we on a WINNER or what?:cool:
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posted on September 15th, 2003 at 08:43 PM


if RSI is right . . . id like sum info on that


cheers
adz




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posted on September 18th, 2003 at 08:35 PM


am one of those computer/electronic techies and have some experience with pelters now to answer your questions about them. Will it heat a car? Most probably not, the more powerful ones 175watt models drain a lot of power up to 28amps and 175 watts of heat wont heat much, for car fridges they work great but for a heater I don’t think that they would be much good. Also the polarity does not need to be reversed as they are a heat pump they move heat from one side to the other. They also require a tremendous amount of cooling thus my computer water-cooling system that I made :D

Here are some pics of it.


http://www.shafted.com.au/photos/albums/shafted20/DCP_0610.jpg

http://www.shafted.com.au/photos/albums/shafted20/DCP_0611.jpg 

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