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dicklague dicklague is offline
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Join Date: Jul 2008
Location: Next to Mulholland [west]
Posts: 2,559
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Hella hid driving light install

I decided to move my Hella driving lights down to the splitter on my '73 911.

I had them mounted up in the vent grilles on the stock 1973 mounts, but I always thought it would be cleaner if they were mounted down lower sort of on the bumper.

These lights are Hella 500s modified with HID bulbs instead of the halogen bulbs. This modification requires that the rear of the plastic housing be "blistered" a bit to fit the longer HID bulbs. I used a heat gun and a ball peen hammer head to form the round Blister in the plastic enclosure.

I am running 35 watt HID bulbs with external ballasts. The lights put out a ton of light I have not tested the lumens, but there is a huge difference.


The Hellas cost $80 to $100/pair and they are good quality. HID mod is another $30 to 40.

I will post photos in a bit. Looks like I have to cut down the file size to post.
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RGruppe #79 '73 Carrera RS spec 2.7 MFI
00 Saab 95 Aero wagon stick
01 Saab 95 Aero wagon auto
03 Boxster
90 Chevy PU Prerunner....1990

Last edited by dicklague; 02-16-2015 at 08:48 PM..
Old 02-16-2015, 02:11 PM
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