Improving Low Beam

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I have posted this before and will put it out there again.... I was very underwhelmed by the HIR bulbs. So, I went to the DDM 55w HID kit. The light output of the DDM is better than the factory HID's in our Acura. Now there is some debate over quality of the light. However, most of those chatting up not to do the HID's have never installed them. A few have and didnt like it.

If any one in San Diego want to compare before pulling the trigger, let me know. I have HIR's sitting around as backup bulbs in case I have an HID go out. I will gladly let you try them out and see if the improvements are worth it to you. You can also compare the DDM HID kit in my truck to the HIR in yours and decide for yourself. Then get them from Morimoto.

BTW, I have been running my HID's for around 2 years with no issues and no one flashing me ever! My lights are on when ever I drive. So, the have a lot of hours on them.
 
^ agreed. HIRs did nothing for me in my 80. I'll be doing a retro down the road.
 
APKhaos said:
Are HIRs available/suitable for the fog lights?
I have Morimoto projectors to install for the main beams and have been looking for something to beef up the fogs as well.
Anyone put HIRs into the fog lights?

Low beam HIR bulbs fit the stock fogs. =]
 
Mxndrnks said:
I have posted this before and will put it out there again.... I was very underwhelmed by the HIR bulbs. So, I went to the DDM 55w HID kit. The light output of the DDM is better than the factory HID's in our Acura. Now there is some debate over quality of the light. However, most of those chatting up not to do the HID's have never installed them. A few have and didnt like it.

If any one in San Diego want to compare before pulling the trigger, let me know. I have HIR's sitting around as backup bulbs in case I have an HID go out. I will gladly let you try them out and see if the improvements are worth it to you. You can also compare the DDM HID kit in my truck to the HIR in yours and decide for yourself. Then get them from Morimoto.

BTW, I have been running my HID's for around 2 years with no issues and no one flashing me ever! My lights are on when ever I drive. So, the have a lot of hours on them.

How about some beam shots so we can see the horrible light distribution and cutoff that result from using a rebased HID that had the wrong focal point and arc length for your halogen fixture? Every HID bulb retrofit stinks, I doubt yours is better. If you are sure it is, take the photos and post them.
 
IMOP the only thing better than HIR bulbs are HID's in a retrofitted housing.

Here are a couple shots of LS430 projector in a 100 series housing.
P1040950.webp
P1040959.webp
P1040953.webp
 
SR.GRINGO said:
IMOP the only thing better than HIR bulbs are HID's in a retrofitted housing.

Here are a couple shots of LS430 projector in a 100 series housing.

In a word: nice.
 
How about some beam shots so we can see the horrible light distribution and cutoff that result from using a rebased HID that had the wrong focal point and arc length for your halogen fixture? Every HID bulb retrofit stinks, I doubt yours is better. If you are sure it is, take the photos and post them.

Plenty of photos all ready posted...use that little button at the top called "search".

Sent from my phone using IH8MUD
 
Plenty of photos all ready posted...use that little button at the top called "search".

Sent from my phone using IH8MUD

I've never seen a single PnP kit that produced a decent light pattern.
Otoh those 430 projectors are what should have come from the factory. Nice job.
 
Mxndrnks said:
Plenty of photos all ready posted...use that little button at the top called "search".

Sent from my phone using IH8MUD

Yea, I'm not going to wade through your 1186 posts to find a picture. If you have them, post or link them, otherwise you are just spouting off your questionable subjective view that is not supported by the other photos that have been posted.

Sent from my iPad using IH8MUD
 
Yea, I'm not going to wade through your 1186 posts to find a picture. If you have them, post or link them, otherwise you are just spouting off your questionable subjective view that is not supported by the other photos that have been posted.

Sent from my iPad using IH8MUD

You are not even worth my time....

For everyone else, My opinion aside since it butt hurts too may of the girls on here.

If any one in San Diego want to compare before pulling the trigger, let me know. I have HIR's sitting around as backup bulbs in case I have an HID go out. I will gladly let you try them out and see if the improvements are worth it to you. You can also compare the DDM HID kit in my truck to the HIR in yours and decide for yourself.
 
Mxndrnks said:
You are not even worth my time....

For everyone else, My opinion aside since it butt hurts too may of the girls on here.

Wow. Seriously? Are you 13? I guess MUD is no longer about improving vehicles through collective knowledge, but instead soothing small ego's and minds. Time to bring Shotz back.

Sent from my iPad using IH8MUD
 
Last edited:
Mxn; we've talked about the merits and demerits of simple HID bulb installs - We've agreed to disagree.

Cary; Why are you trying to start something? There is a history to the conversation beyond this thread and Mxn gracefully reminded us there are folks that feel the simple HID install is an improvement. You and I agree on the point that it's not.

Other Thread Dwellers;
gtfour43 posted that his HIR change did nothing for him. While not an HID retrofit, the HIR bulb is, in fact, an improvement over the oem halogen bulb technically and empirically, gtfour43 post really was 'it's not enough'. And he's probably right however the HIR path is simple and brings the LC lights up to standard from their previous below par performance. The next step would be an HID retrofit. Some folks (like MXndrnks) feel the bang for the money and effort is in a simple HID bulb fitment.
 
Mxn; we've talked about the merits and demerits of simple HID bulb installs - We've agreed to disagree.

Cary; Why are you trying to start something? There is a history to the conversation beyond this thread and Mxn gracefully reminded us there are folks that feel the simple HID install is an improvement. You and I agree on the point that it's not.

Other Thread Dwellers;
gtfour43 posted that his HIR change did nothing for him. While not an HID retrofit, the HIR bulb is, in fact, an improvement over the oem halogen bulb technically and empirically, gtfour43 post really was 'it's not enough'. And he's probably right however the HIR path is simple and brings the LC lights up to standard from their previous below par performance. The next step would be an HID retrofit. Some folks (like MXndrnks) feel the bang for the money and effort is in a simple HID bulb fitment.

Rob,

We are on the same page...sort of. We (and others) will disagree that hid's without a full retrofit is bad. I wont disagree that a full retrofit is a better solution. But, all that has been covered in other threads.

I have just never understood the hoopla over HIR. I know lots of people rave over them. I just didn't see enough improvement to warrant the cost. I felt it only gave at most a 5% increase over what was already unsatisfactory from Mr. T. The way everyone always talks, I expected more and was just underwhelmed.

That is why I went with the hid. I also went to them before anyone was doing retrofits. Actually I think one person had. I will eventually go to a retrofit. I just cant get the retrofit I want yet.

But, opinions aside, if anyone local is debating what to do with the craptastic stock lighting. I have HIR bulbs sitting around. We can get together and you can try them out. You can also see a non retrofit hid setup and decide which is best for you. I don't care which way you go. I am just trying to help you decide before spending the coin.

Sent from my phone using IH8MUD
 
Cary; Why are you trying to start something? There is a history to the conversation beyond this thread and Mxn gracefully reminded us there are folks that feel the simple HID install is an improvement. You and I agree on the point that it's not.

When someone makes spurious claims of improvements that have been demonstrated to not work, there are two possibilities, they have done something different that results in the improvement, or their subjective opinion is not the same as others. Here, we have seen time and time again that HID rebases simply don't work. They change the focal point and focal length of the source light resulting in a poor lighting pattern, light scatter and more uplight in other drivers eyes. This is both dangerous and illegal. Just because other drivers have given up flashing their high beams at people running piss poor HID retrofits, doesn't mean that the retrofits work better.


Rob,

We are on the same page...sort of. We (and others) will disagree that hid's without a full retrofit is bad. I wont disagree that a full retrofit is a better solution. But, all that has been covered in other threads.

I have just never understood the hoopla over HIR. I know lots of people rave over them. I just didn't see enough improvement to warrant the cost. I felt it only gave at most a 5% increase over what was already unsatisfactory from Mr. T. The way everyone always talks, I expected more and was just underwhelmed.

That is why I went with the hid. I also went to them before anyone was doing retrofits. Actually I think one person had. I will eventually go to a retrofit. I just cant get the retrofit I want yet.

You are missing a couple of key issues. Just because there is more light, doesn't mean it is better. For example, many people run fog lights which increase foreground illumination and feel that it gives them more driving light. It actually decreases it as the pupils dialate in order to compensate for the extra light resulting decreased peripheral vision and decreased vision outsite of the lit area. While these people feel like there is a lot of light on the road, they are in fact creating a situation where they overdrive their lights sooner rather than later.

In the case of the stock lamps, the amount of light that can be thrown out far is limited by the multipoint reflector design. While it works better than the old lens and parabolic reflector system (both efficiency and the ability to distribute light) it is still limited that the cutoff cannot be perfectly sharp and light falls off as you approach the cutoff. This is with a bulb that is properly placed. When you go to an HID retrofit in the stock housing, this limitation is exacerbated, as the focal point and length of the HID bulb is different resulting in diffusion and the scattering of light. Now the reflector housing is scattering light further up and around as well as closer to the car. This appears brighter, but in fact is putting less light where you need it, as far out in front and to the sides of the vehicle as possible.

As far as why the HIR bulbs don't seem much brighter, it is because our eyes, like our ears, process light in a logarithmic fashion. Objectively the numbers are as follows:

Standard 9006 bulb- 1000 lumens
Philips 9012- 1900-2000 lumens (the gen3 are supposed to be 10% brighter than the original 1875 lumen spec)
Philips 9011- 2500 lumens
35 watt HID- 3200 lumens
50 watt HID-4200 lumens (danger, likely will trash the reflectors).

The HIR bulbs put out nearly double the output of the stock bulbs, in the correct location. If you want more, you can get 2500 lumens by using 9011 HIR in the low beam slots while maintaining the proper light distribution pattern. It is cheaper than an HID rebase kit, puts more light where it should be and has a higher color rendering index.

Now projector retrofits, as you agree, are a different matter. A projector lamp fixes the issue with multipoint reflectors, they allow you to have the brightest part of the lamp at the cutoff, thereby putting the most light the furthest out where you want it. At the same time, good projectors put less light in the foreground where you don't want it.

I have issues with rebased HID kits because they are dangerous to other drivers. As people age, their eyes can't recover from being blinded as fast (I am in this group). Remember, that just because you don't get flashed, doesn't mean you aren't blinding people the other way. In my case, I typically don't flash people because I don't want to blind the people in front or behind them.
 

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