My experience having used both LED and HID is the HID is brighter and better directed but may be shorter lived than LED. I believe the emitter on the HID is located in the housing closer to where the H4 halogen emitter is than the LED which spreads the light emission over a larger area and therefore much of it is optically off center. A housing designed specifically for LED bulbs would likely provide better driving light output than LED bulbs used in the housings designed for halogen bulbs. The cheap (~$100) HID kits are especially prone to early death and I would steer clear of them. The $300 "German" Phillips HID kit lives considerably longer even though some of its components are actually made in India and China.

Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR

glwork@mac.com
http://jerrywork.com
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Message: 16
Date: Mon, 30 Mar 2015 23:11:18 -0600
From: Len Novak
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] LED Headlights
Message-ID:
Content-Type: text/plain; charset="utf-8"

I may do this over Hid conversion
--
Len Novak, 76 Eleganza II, Las Vegas
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