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Winny911
Montreal


Joined: 13 Dec 2012
Posts: 578



PostPosted: Sun Oct 06, 2019 8:02 pm    Post subject: Headlight Refurb - What am I doing wrong? Reply with quote

So I have refurbed my headlights twice now on my 996 once myself and once by a body shop. Both times they looked like new after a quick rub down and polish up finishing using finer grades of wet and dry and then a polishing compound.

The problem is they only seem to last about a year before they look rubbish again. Have I missed something? Should they be coated with something to protect them? If so what?

I thought paying a body shop to do them they would last longer than my DIY attempt but no same result and it only lasts about 1 year to 18 months max

So what am I doing wrong?

Winny
 
  
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TurboRob
Trainee


Joined: 18 Feb 2019
Posts: 99



PostPosted: Sun Oct 06, 2019 8:09 pm    Post subject: Reply with quote

A top coat/lacquer to prevent UV light breaking down the plastic.
Halfords do a good heavy duty PU lacquer that adheres well to freshly sanded-down headlights. HTH!
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996.2 C2
 
  
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Spicer92
Newbie


Joined: 17 Jun 2019
Posts: 2



PostPosted: Sun Oct 06, 2019 9:46 pm    Post subject: Reply with quote

What Rob said.
Get some UPOL clear #1 from halfords
https://www.halfords.com/motoring/paints-body-repair/scratch-repair-paint-restorers/upol-clear-1-aerosol

It's a bit different to normal lacquers, so don't skimp and get a cheaper one. I can't remember what makes it different. Smells pretty nasty though, do it outside!

I tried to put multiple coats of this on, but kept getting orange peel- so just kept with one coat. It's as good as new after 4 months. That was the first time I've done it though, so it should last a long time but I cant confirm that.
 
  
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yo_clarkie
Spa-Francorchamps


Joined: 14 Feb 2012
Posts: 316



PostPosted: Mon Oct 07, 2019 3:04 am    Post subject: Reply with quote

Yup, you need to coat them, clearcoat paint being the best, didm one 5 yrs ago and still look perfect.
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2003 996 C4S in Silver, Manual, PSE, new in UK, now in New Zealand
Mods so far: K&N induction, Kenwood Navigation and AMP, LN Engineering IMS, fully replaced suspension with new factory parts
 
  
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Winny911
Montreal


Joined: 13 Dec 2012
Posts: 578



PostPosted: Mon Oct 07, 2019 6:04 pm    Post subject: Reply with quote

Thanks guys

Thought it would be something like that but I'm surprised the body shop dident coat them after I paid for the second refurb. Looks like I'll be doing a third refurb myself with this stuff

Cheers
Winny
 
  
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mavis.d
Newbie


Joined: 12 Aug 2014
Posts: 2



PostPosted: Mon Oct 07, 2019 7:17 pm    Post subject: Reply with quote

Last time I did mine I put PPF on worked a treat cost about £20 from eBay
 
  
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Winny911
Montreal


Joined: 13 Dec 2012
Posts: 578



PostPosted: Tue Oct 08, 2019 6:09 pm    Post subject: Reply with quote

That's interesting could be easier than spray. Is it as good at stopping uv?
 
  
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paulstevens64
Trainee


Joined: 18 Sep 2015
Posts: 71



PostPosted: Tue Oct 08, 2019 7:05 pm    Post subject: Reply with quote

Sorry if this is a bit silly, but what is PPF?
 
  
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Winny911
Montreal


Joined: 13 Dec 2012
Posts: 578



PostPosted: Tue Oct 08, 2019 7:44 pm    Post subject: Reply with quote

Paint protection film
 
  
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yo_clarkie
Spa-Francorchamps


Joined: 14 Feb 2012
Posts: 316



PostPosted: Tue Oct 08, 2019 10:06 pm    Post subject: Reply with quote

If you pick up a can of UPOL Clear #1 from your local auto shop, or online it, wet sand to 800 or 1000 grit level and rip into it, you will be very very happy with your project.

Warning, at 800/1000 grit they will look milky in colour, but clear instantly when you paint them Smile If the clear coat has sections that look a different sort of milky white after you spray then hit immediately with a hair dryer - it will clear up within seconds.

You may need to wet sand 800/1000 after if you get an orange peal effect and then polish, but the above paint is very good at not doing this
_________________
2003 996 C4S in Silver, Manual, PSE, new in UK, now in New Zealand
Mods so far: K&N induction, Kenwood Navigation and AMP, LN Engineering IMS, fully replaced suspension with new factory parts
 
  
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yo_clarkie
Spa-Francorchamps


Joined: 14 Feb 2012
Posts: 316



PostPosted: Tue Oct 08, 2019 10:07 pm    Post subject: Reply with quote

DON'T polish them to perfect then clear coat, nothing for the paint to stick to.
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2003 996 C4S in Silver, Manual, PSE, new in UK, now in New Zealand
Mods so far: K&N induction, Kenwood Navigation and AMP, LN Engineering IMS, fully replaced suspension with new factory parts
 
  
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P0tential
Newbie


Joined: 08 Jun 2019
Posts: 25
Location: Finland


PostPosted: Wed Oct 09, 2019 8:00 am    Post subject: Reply with quote

Has anyone gone 1 step further and changed the projects to something like Evo-X? Mine are starting to show their age with the light pattern getting narrower with strange hot spots on the far sides.
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Stoddy
Trainee


Joined: 13 Sep 2019
Posts: 51
Location: Wye Valley


PostPosted: Sun Oct 13, 2019 10:52 am    Post subject: Too far gone? Reply with quote

Hi All,

New here but came across this thread very quickly.
My question is, how do you know if your headlights are beyond saving?
Mine are really milky, slightly over rubbed too 😐 from a previous attempt.
I’ve tried loads of polishes but to no avail.
£1500 at least for a set of used ones on eBay, so keen to save these.
Ooh, and can you fit litronic lights etc (brighter ones) in whatever form to a standard car?

Cheers in advance,



Rich. Dont know
 
  
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Dammit
Indianapolis


Joined: 23 Sep 2016
Posts: 2345



PostPosted: Sun Oct 13, 2019 12:46 pm    Post subject: Reply with quote

Lightronic's fit straight in, I'd recommend wrapping them rather than painting them to get the amber look back (if that's important to you).


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My 996, AKA Project Ridiculous
 
  
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Dammit
Indianapolis


Joined: 23 Sep 2016
Posts: 2345



PostPosted: Sun Oct 13, 2019 12:47 pm    Post subject: Reply with quote


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Stoddy
Trainee


Joined: 13 Sep 2019
Posts: 51
Location: Wye Valley


PostPosted: Sun Oct 13, 2019 12:58 pm    Post subject: Reply with quote

Ok, mine are the facelift (2002)

Might try with some 1000 grit. Fingers crossed 🤞

Cheers
 
  
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Stoddy
Trainee


Joined: 13 Sep 2019
Posts: 51
Location: Wye Valley


PostPosted: Sun Oct 13, 2019 1:06 pm    Post subject: Reply with quote

Ok, mine are the facelift (2002)

Might try with some 1000 grit. Fingers crossed 🤞

Cheers
 
  
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Dammit
Indianapolis


Joined: 23 Sep 2016
Posts: 2345



PostPosted: Sun Oct 13, 2019 1:09 pm    Post subject: Reply with quote

Ah, well - you could always get some wings and a bumper, put proper lights in.
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Jay.
Montreal


Joined: 20 Oct 2015
Posts: 582
Location: Brize Norton


PostPosted: Sun Oct 13, 2019 5:19 pm    Post subject: Reply with quote

yo_clarkie wrote:
If you pick up a can of UPOL Clear #1 from your local auto shop, or online it, wet sand to 800 or 1000 grit level and rip into it, you will be very very happy with your project.

Warning, at 800/1000 grit they will look milky in colour, but clear instantly when you paint them Smile If the clear coat has sections that look a different sort of milky white after you spray then hit immediately with a hair dryer - it will clear up within seconds.

You may need to wet sand 800/1000 after if you get an orange peal effect and then polish, but the above paint is very good at not doing this


Would this be as good, at half the price?

https://smile.amazon.co.uk/UPol-Power-Clear-Aerosol-500ml/dp/B009G1AU3Q/ref=pd_sbs_263_2/259-3574049-5123136?_encoding=UTF8&pd_rd_i=B009G1AU3Q&pd_rd_r=93d2cf14-6015-4735-8a07-ec672c05f66a&pd_rd_w=k2CBD&pd_rd_wg=Ip2m6&pf_rd_p=cc188cba-1892-42b3-956f-6c67d0ab7a00&pf_rd_r=BCVNGBDWA1JSVQMTPJFZ&psc=1&refRID=BCVNGBDWA1JSVQMTPJFZ
_________________
2004 996 Turbo
Seal Grey
Motec 19" Alloys
AMG Flappy Paddles

1972 Datsun 240z
RB25DET
Devil Z


Follow me on Instagram! @rb.240z
 
  
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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7232
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Sun Oct 13, 2019 7:48 pm    Post subject: Re: Too far gone? Reply with quote

Stoddy wrote:
Hi All,

New here but came across this thread very quickly.
My question is, how do you know if your headlights are beyond saving?
Mine are really milky, slightly over rubbed too 😐 from a previous attempt.
I’ve tried loads of polishes but to no avail.
£1500 at least for a set of used ones on eBay, so keen to save these.
Ooh, and can you fit litronic lights etc (brighter ones) in whatever form to a standard car?

Cheers in advance,



Rich. Dont know


My advice would be get the 3M kit and start from scratch (no pun intended!)

Patience is the key, make sure you’ve done each stage properly. The real magic happens when you use the Trizact disc then the compound. The first couple of stages are tedious and a bit stressful, but keep the disc moving, and don’t have the RPM too high.

My car is a garage bunny but there was no sign of any milkiness after a year or so with a coating of UV proof sealant. The plastic is defo not as scratch resistant as the OE finish, but easy to improve with a light compound.

Done them with Carpro Dlux now, will see how that goes.
_________________
"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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