I had thought about mounting dual oval lights, but instead of side by side, stack 'em- one above the other. (That would confuse the He11 out of on-coming traffic   ) I did a mock up in Photoshop, but I'll be buggered if I can find the jpeg... The lights were the combo driving and fog lights- two bulbs in each case. Use the fog as low beam and the driving as high beam.

I haven't really gotten much further than gross speculation. I'd need to check the wattage and what kind of pull they'd have on the electrical system.

Edit: Found the picture...

Did neither of the car drivers see the orange turn signal lights that are always on?? Or did your friends remove those?
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I've never seen turn signal lights continuosely on. Surely they are not designed to do so?. Have you wired them up yourself to achieve this?.
TheFid.

I set up a pair of dual Hella's on my Streetfighter





The bottom one is a fog light which is on all the time and runs as low beam, the top one is a running light which comes on for high beam and gives great long distance lighting with the fog pattern for the close up.  The low beam light stays on when the high beam is turned on.