Replacing Halogen Bulbs with brighter options - Page 3 - Fiat 124 Spider Forum
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post #21 of 43 (permalink) Old 04-20-2018, 01:51 PM
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Originally Posted by Bulldog66 View Post
I replaced my fogs. Slightly better light but color matched to my LED headlights. In my signature. No error codes.
Was that a simple plug and play upgrade that uses the OEM Fog light housing???

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post #22 of 43 (permalink) Old 04-20-2018, 06:57 PM
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Originally Posted by Michael Alba View Post
Lighting is definitely brighter and wider. The brights truly lit up the night. I'll try to get photos to upload next time I'm out in the dark.
Interested in seeing if they have any hotspots and how the cutoff is on them. Most of these type of after market bulbs (LED and the HID retro kits) end up causing glare issues to oncoming traffic due to the projectors in the 124 are designed for halogen lamps.
I noticed that the lamps you linked to are not DOT compliant for US use, so it tends to lead me to believe they may have that issue also.
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post #23 of 43 (permalink) Old 04-20-2018, 09:20 PM
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Originally Posted by TDPerry View Post
Interested in seeing if they have any hotspots and how the cutoff is on them. Most of these type of after market bulbs (LED and the HID retro kits) end up causing glare issues to oncoming traffic due to the projectors in the 124 are designed for halogen lamps.
I noticed that the lamps you linked to are not DOT compliant for US use, so it tends to lead me to believe they may have that issue also.
I'm glad someone else is aware of this issue. You can't just stick an LED/HID lamp into a housing designed for a halogen lamp and expect to maintain the same projection/reflection pattern and glare intensity.
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post #24 of 43 (permalink) Old 04-21-2018, 09:45 AM
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I think you'll less glare cause the housing of the halogen light is same housing as the LED, So I figure you should have less glare. Now if you tell in some other Halogen housing, where where you have HIGH and LOW beam together, the housing is rectangular there you'll have more glare for incoming cars. The housing or glass for the halogen spider is round. Today, with the round focus glass it's a more directional compared the old ones where it spread the beam.

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post #25 of 43 (permalink) Old 04-21-2018, 11:34 AM
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I think you'll less glare cause the housing of the halogen light is same housing as the LED, So I figure you should have less glare. Now if you tell in some other Halogen housing, where where you have HIGH and LOW beam together, the housing is rectangular there you'll have more glare for incoming cars. The housing or glass for the halogen spider is round. Today, with the round focus glass it's a more directional compared the old ones where it spread the beam.
Even the OEM housing produces some glare above the "cutoff" line for the purpose of lighting up road signs and other objects above the horizon. Any time you increase output intensity, you also increase the amount of light being produced above that cutoff line. That's where the biggest issue with glare comes from.
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post #26 of 43 (permalink) Old 04-21-2018, 02:36 PM
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I was referring to the rectangle halogen housing compared to the round housing. Yes I agree the more light you put the more the glare. But then again my LED put more light than the Halogen in the no Supreme package. So if you go HID or Led you will produce more glare.

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post #27 of 43 (permalink) Old 04-21-2018, 03:40 PM
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I was referring to the rectangle halogen housing compared to the round housing. Yes I agree the more light you put the more the glare. But then again my LED put more light than the Halogen in the no Supreme package. So if you go HID or Led you will produce more glare.
Yes I know what you were referring to. I'm simply pointing out that even in projector housings, a certain amount of glare is engineered into the projected beam. The issue is worse with much older reflector housings but consideration should still be made for newer housings.

That being said, do you think the calibration for the projector is the same on the supreme package as it is for the base housings? I'm not so sure.

Frankly the difference might be minimal enough that it won't be an issue between halogen and LED, but a whiter temperature (say, 6000k vs 4300k) LED will still produce more of a "sparkle" effect and will exasperate photosensitivity in older folks. HIDs will definitely create an issue.

I did a bunch of research on this topic back in 2012 and wrote up an article to address this topic as it pertains to HIDs in halogen housings: http://xtremerevolution.net/are-hid-kits-legal-or-safe/

According to AAA, “Drivers middle-aged and older are more sensitive to glare than younger drivers because their eyes take longer to adjust to changing light levels. For example, a 55-year old takes eight times longer to recover from glare than a 16-year-old.”

"Glare is proportional to headlamp brightness, however, so increasing headlamp brightness also increases potential glare for oncoming drivers, particularly on curving two lane roads. This problem is worse for older drivers because of their increased intraocular light scattering, glare sensitivity, and photostress recovery time."

Ultimately, LEDs may not pose as much of an issue as HIDs will, but it still deserves a second thought.
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post #28 of 43 (permalink) Old 04-21-2018, 04:32 PM
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According to AAA, “Drivers middle-aged and older are more sensitive to glare than younger drivers because their eyes take longer to adjust to changing light levels. For example, a 55-year old takes eight times longer to recover from glare than a 16-year-old.”

But then again, middle age see less than younger drivers. <B> and due that they wear glasess the glare is more due to the glasses.

But the LED is much smoother of a light than Halogen or HID.

So question is who do you give priority to driver viewing the road or the other driver getting glared. Personally I rather have a clear view of the road, cause incoming cars that will blind me are very minimal to the road I am viewing while driving.

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post #29 of 43 (permalink) Old 12-21-2018, 02:56 PM
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Just thought I’d post this here as it comes up in searches all the time.

If you’re only doing the dip beam, DRL and the fog light - and you don’t mind it being tight - then full lock and a flat blades screw driver is all you need.

I prefer space and I wanted to do the main beam too...so wheel off and half the wheel arch liner. It’s not a hard job in anyway, just time consuming.

Either way I’ve fitted Osram Nightbreakers in all the places...

RHS of car (as driven) is the Osram’s v LHS which is OEM

DRL, dips, dips with fogs and finally full suite.

Night time dips, mains and mains with fogs
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post #30 of 43 (permalink) Old 12-21-2018, 06:40 PM
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