Bill CR did two tests, one for distance, outside on a moonless night, standing still and seeing what distance they could see signs they had set up. The brightness test was inside a dark building where they measured illuminance. Sounds like that may be what you saw in your shed.
Harry Watkins Newton, MS 86 SDL Silver 85 300D Euro 86 SDL Gold 81 240D manual trans ----- Original Message ----- From: "BillR" <[EMAIL PROTECTED]> > Harry - I just had a bulb go out in my '81 SD and replaced it with the > Sylvania super bright white [19.98 at Advanced Auto; 24.xx at Pep Boys]. > When I pulled into my shed that evening the new bulb was a great deal > brighter and more focused than the old halogen. I ended up replacing the > other good bulb and do see a difference. Could be that the whiter and more > focused light I see against the white back wall does not translate into > better performance on the road when in a test vehicle, but seems much > better. > BillR > Jacksonville FL > 1981 300SD EM 270k > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Harry Watkins > Sent: Sunday, January 15, 2006 9:04 PM > To: Diesel List > Subject: [MBZ] CR report on headlight bulbs > > The December issue of Consumers Report tested five premium replacement bulbs > on three different vehicles. > > Skipping to their "bottom line". "While they do yield whiter-looking light, > premium aftermarket halogen don't offer a consistent performance advantage > over original equipment bulbs and they can perform worse." > > In the text, they report finding only one set of bulbs, in one vehicle > improved low beam sight distance. That was the GE Nighthawk in the Honda > Ridgeline. > > They stated the bulb's costs from $26 to $40 a pair and stated that this was > two to three times more than standard bulbs. > > Throws a kink in my plans. > > Harry Watkins > Newton, MS > 86 SDL Silver > 85 300D Euro > 86 SDL Gold > 81 240D manual trans