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Please refer to the 3ZC thread to clarify simlar questions. |
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| Posted by |
jschrauwen on March 10, 2009 at 11:56 AM |
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This message has been viewed 100 times. |
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| In Reply To |
What are the advantages to this over the stock setup? posted by B. Wong on March 10, 2009 at 11:12 AM |
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| Message |
In that 3ZC thread is another link to a thread by "JDM RICE". He attempted a year ago to do a projector upgrade. He did so quite successfully. BUT, when he went to button up the headlight unit the fluting on the inside of the lense distorted the projector's light output. So much so that almost all of his hardwork seemed to be in vain. The projected images (also contained within JDM RICE's link) clearly show an outstanding beam pattern without the oem lenses in place. He subsequently tried his own handiwrok at fabricating a clear lense. That particular phase failed and he posted no further updates and it appeared that he abandoned the clear lense endeavour.
Now Andy "Andy93Z" has made contact with a manufacturer that has the means to produce a completely clear lense out of polycarbonate. Now I'm not that savy WRT the differences between every day plastic, lexan, polycorbonate and the like and perhaps our professed resident expert "Z Engineer" may be able to shed some light on this.
I can only comment on the cause and effect witnessed by Andy and his supportive pics since I have not physically seen these lenses in person. I can comment on my efforts years ago in trying to do this very same task with the MX-3 Forum community. Their oem lenses were of a plastic nature and they too did have an embedded fluting characteristic. They inprovements that were achieved by a few creative individuals who were able to recreate those lenses minus the fluting were remarkable.
As I mentioned before, my 2000 Audi uses a projector as well with a clear plastic-type protective covering. I believe that newer cars from the late 90's forward dropped the application or lense fluting for all projector equiped cars.
Yes, I'm sure Nissan had their reasons for the fluted lenses and I would venture to say that it may have had to do with current transport legalities. Legalities which probably are no longer in place. I'm sure one is not going to be pulled over so as to have their headlight inspected for lense fluting. The finished product is supposed to look completely oem which seems to be the case in Andy's pics above.
Can't live without your nipples - so be it. I never had nipples on my JDM headlights and it's never been an issue for me as far as making any sort of headlight aiming corrections.
The object here is to provide something that has been a sore spot for our car from almost day one - lighting. How many have already done an HID upgrade? Were those who did concerned about legalities? Probably not. The goal was to improve upon the lighting capabilities. To this end, it clearly shows (pun intended) in the 3ZC thread that a clear headlight lense (without the fluting) does improve upon the output beam pattern. It also means that a more focused and stronger cut-off line will be enhanced which reduces refraction of light generated by the flutes which will also mean less of an annoyance to oncoming drivers.
Would I prefer to see these lenses in glass - of course I do but of course this isn't part of this venture. Maybe that capability may be on the horizon, but not now.
Let's face it, with the Z32 coming out in 1989 the tech was based on preceeding years. Albeit ahead of it's contemporaries at the time, but by todays standards, less than ideal. Here's an opportunity to inject some newer tech and achieve a better lighting environment.
Like i said, I'm hoping Andy will pop in and answer other specific questions.
I hope this has helped some.
1990 TT
491.0 RWHP, 476.1 RWTQ, 18 PSI, 94 octane
26PSI w/Race gas = ???
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07:30:39 03/11/09
