01-19-2018, 06:53 PM
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#11 (permalink)
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Master EcoModder
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Scangauge should be able to show gallons per hour fuel consumption; that would definitely drop with this change.
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01-20-2018, 12:39 AM
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#12 (permalink)
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Not Doug
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4,000 lumens each?
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01-20-2018, 11:23 AM
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#13 (permalink)
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Master EcoModder
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Quote:
Originally Posted by Xist
4,000 lumens each?
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Yes, 8,000 lumens for the set.
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01-20-2018, 11:28 AM
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#14 (permalink)
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Master EcoModder
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SI lumens or chinese lumens?
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01-20-2018, 11:33 AM
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#15 (permalink)
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Master EcoModder
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Quote:
Originally Posted by teoman
SI lumens or chinese lumens?
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I don't know, but they're BRIGHT.
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01-20-2018, 01:52 PM
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#16 (permalink)
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...beats walking...
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Quote:
Originally Posted by EcoCivic
I don't know, but they're BRIGHT.
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Question now is: will they STAY bright for a reasonable length of time before failing?
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01-20-2018, 02:50 PM
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#17 (permalink)
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Not Doug
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The standard Sylvania low beam is 910 lumens and the high beam is 1700.
Well, it saves energy while binding oncoming traffic.
Brilliant.
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01-20-2018, 03:39 PM
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#18 (permalink)
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Master EcoModder
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What lights did you convert from?
I'm not familiar with the HB4 element designation. I have H-4s.
Did you convert one light and then take a picture of the beam pattern on high- and low-beam against a wall?
I converted from halogens to LEDs in the Hella H-4 housing. The phenomenal low-beam cutoff went away. I had to apply a field expedient fix:
Also the halogens had good high beams, I could light up reflectors on road signs a quarter mile down the road. The LEDs have good color temperature, but don't have that reach.
For another thread I was looking at beeping backup lights. They only seem to be available in halogen. Backup lights would be a good use case for LEDs.
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01-22-2018, 01:50 AM
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#19 (permalink)
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Quote:
Originally Posted by Old Tele man
Question now is: will they STAY bright for a reasonable length of time before failing?
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The phosphor will degrade in a high power application like car headlights where things get quite hot, but it should be good for a few thousand hours before losing 30%-50% of its light output, dependent on specific circumstances like ambient temp, which bulb you buy, etc.. At which point, it would become only as bright as an OEM bulb.
I definitely noticed that the highway mpg would go down by a tiny bit when turning on the OEM lightbulbs, but I imagine the fuel savings won't really pay for the bulb. The more important thing is that you get a brighter bulb that doesn't hog electricity and doesn't burn out quickly and abruptly. JDM Astars have a good beam pattern that let you see out in the distance without blinding traffic and correctly advertised lumens rating, and you can get the same bulb from their OEM for I think 100 bucks on Ebay, that's the one to get.
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01-31-2018, 04:42 PM
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#20 (permalink)
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EcoModding flying lizard
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An interesting benefit I noticed when I got my LED low beams is that the headlights do not dim when I restart the car with lights still on. Less draw=easier starting!
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