Homemade lower radiator hose heater

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604TD's picture
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Joined: 03/16/2005

I made and installed this last week and couln't wait to try it out. It's warm here today, about 40 F. I plugged it in for 20 min and took a reading with an IR thermometer and the block was at 120F. Engine fired up and idled smoothly like it was summer time.

All parts were scrounged except for the two 500 w halogen bulbs (wired parallel for a total of 1000 w) that's 2 for $5.

Nice thing about it is if the bulbs ever burn out, I can replace them cheap!!!!! Since they are running cooler than they're designed for, I don't think they'll burn out for a long while.

Happy new year!

Friar Fewell's picture
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Joined: 12/03/2005

Uh... nice...

I paid $21 (included s/h) for a new lower rad hose heater on ebay.

Phil's picture
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Joined: 05/28/2004

Might it restrict colant flow?

asnowsquall's picture
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Joined: 03/24/2005

Have you got life insurance?

604TD's picture
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Joined: 03/16/2005

Phil, seems to be running fine.

604TD's picture
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Joined: 03/16/2005

assnowsquall, life insurance? I assume you mean worry of electrocution? The hose clamps are not hot, They're isolated.

You'll need insurance more than I, running 180 F grease tank and 220 F coolant hose into the passenger compartment.