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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Mon Dec 05, 2016 11:16 am    Post subject: Reply with quote

Ghengis wrote:
Mine is slowly being covered in overspray! Not long now Thumb


Bit by bit Thomas, it'll get there Smile

It'll be next to new once you get it back thumbsup

Mine is still sat in the garage with the rear bumper off, waiting for me to strip the wheels off!

Chris
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igaffz
Albert Park


Joined: 27 Dec 2011
Posts: 1665
Location: Newcastle upon tyne


PostPosted: Mon Dec 05, 2016 11:15 pm    Post subject: Reply with quote

Don't worry mate I've done sod all to the cars for ages, to cold! But I'm determined to do something this Sunday, need to get the 944 back on its wheel and clean the 964 from the run out in Yorkshire Embarassed
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Mon Jan 30, 2017 4:46 pm    Post subject: Reply with quote

I’ve given myself a few jobs to sort on the 964 over winter. Its taking time, as I seem to be doing all of them at once!

First up is replacement of the rear lights. These deteriorate over time, due to heat from the engine bay discolouring and cracking the lenses.

A full set of replacements from Porsche is c. £350. I noticed with interest that replacement lenses have now hit the market, priced at only £100 for the pair. The only problem is, you have to dismantle the lights!

I needed practice. Ian and Steve came to the rescue with old lights that they had in their parts bins. Time to get to work.



Step 1. Wait for the missus to leave the house a warm the light lens in the oven to weaken the original glue / mastic. 100oC for about 9 minutes does it. Too much and you’ll melt / distort the internals. Not enough and the lens will come away breaking some of the backing plastic.


Step 2. Once it’s out of the oven use a knife to cut around the glue / mastic and then separate as carefully as you can. I found a flat blade screwdriver helped.
Practice needed though. The first lens wasn’t heated enough and the plastic of the actual lens unit was damaged. After three attempts I had a usable pair of lights.







Step 3. Trim off the residual lens glass using a dremmel. First a cutting disc and then a sanding disc.







Step 4. Apply glue to the original glue marks and clamp closed.







Step 5. Think I may apply a neat bead of silicone to ensure that they are sealed and don’t steam-up.
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Mon Jan 30, 2017 4:46 pm    Post subject: Reply with quote

While all of the above was in progress I’ve removed the LMs from the car for refurb. Ian has kindly lent me some D90s to sit the car on.




Centres have been cleaned-up, etch primed and primed. Centres are in progress, with Porsche Agate Grey the new colour. Im busy re-polishing the lips as I go…


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AVI_8
Trainee


Joined: 19 Jan 2014
Posts: 74
Location: Prestwick


PostPosted: Mon Jan 30, 2017 11:38 pm    Post subject: Reply with quote

Hi Chris
Nice work with the lenses, I'm planning on doing the same to mine.
It sounds as though the temperature is quite crucial, if it doesn't come off with gentle pressure put it back in the oven for a few minutes more.
Do they come with instructions? I noticed on another post you were looking for later lenses, mine's a 91 but I think it was built in 90 are these different or harder to do?
Logan
 
  
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Tue Jan 31, 2017 9:18 am    Post subject: Reply with quote

AVI_8 wrote:
Hi Chris
Nice work with the lenses, I'm planning on doing the same to mine.
It sounds as though the temperature is quite crucial, if it doesn't come off with gentle pressure put it back in the oven for a few minutes more.
Do they come with instructions? I noticed on another post you were looking for later lenses, mine's a 91 but I think it was built in 90 are these different or harder to do?
Logan


Hi Logan,

Putting them back in the oven does help. They seem to start splitting at the corners, where pressure must be greatest, due to the curve on the lens. You can work in sections to prise them away.

A post on Rennlist suggested that the darker coloured lights (maybe the older ones?) were harder to split. These were the older ones, and it wasn't too hard. Cant confirm either way i'm afraid.

When I bought the lenses from Design 911 you didn't get instructions or glue, you now do and they're an extra £5 I think?

Hope that helps Smile

Chris
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Chief
Indianapolis


Joined: 16 Sep 2010
Posts: 2465
Location: The Middle lands


PostPosted: Tue Jan 31, 2017 9:40 am    Post subject: Reply with quote

Nice work as usual Chris. Not sure I fancy popping car parts in the oven, Gill would kill me Grin
I guess another thing to put on my list of things to eventually get around too...
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Tue Jan 31, 2017 9:41 am    Post subject: Reply with quote

Chief wrote:
Nice work as usual Chris. Not sure I fancy popping car parts in the oven, Gill would kill me Grin
I guess another thing to put on my list of things to eventually get around too...


Its all about timing Chiefy. Not timing the light in the oven, just timing that the misses is down the shops for the afternoon (and you have plenty time to clean-up the evidence). puh

Chris
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paul284pt
Albert Park


Joined: 16 Sep 2010
Posts: 1546
Location: North Yorks.


PostPosted: Tue Jan 31, 2017 12:24 pm    Post subject: Reply with quote

Great stuff Chris thumbsup

What did it taste like? wack

Cheers,
Paul
_________________
1980-4 924 Turbo with mods. (ex Tony Dron - 12th at Le Mans 1980 with works 924 Carrera Turbo).
1984-9 911 SC (1982)
1989-93 911 Carrera Sport (1989)
2010- 964 Carrera 2 (1990) Redtek 3.8RSR
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Tue Jan 31, 2017 7:57 pm    Post subject: Reply with quote

paul284pt wrote:
Great stuff Chris thumbsup

What did it taste like? wack

Cheers,
Paul


Tastes better than most of my efforts food food
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Chief
Indianapolis


Joined: 16 Sep 2010
Posts: 2465
Location: The Middle lands


PostPosted: Tue Jan 31, 2017 8:23 pm    Post subject: Reply with quote

Brilliant!!
You two kill me Grin Grin Grin Grin Grin

Have you noticed that you pair are just doing 'tarty glam' jobs now...
About time new projects are undertaken boyz Cool

Paul, how about another 924 Turbo?
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paul284pt
Albert Park


Joined: 16 Sep 2010
Posts: 1546
Location: North Yorks.


PostPosted: Tue Jan 31, 2017 9:02 pm    Post subject: Reply with quote

Hi Chief,

Yeah, but Chris is always ahead of the game, just look at his trophy cabinet Surprised A gentleman would have edited that out of the photo to spare our blushes Grin You're right, we're just a couple of tarts anyway Friends

I do need a new project but just had Edward's Karmann Ghia's engine and gearbox rebuilt and while it's been away he's filled the rest of the garage with gaming machines which he's doing up and selling PC Good for him but frustrating for me.

I have been very tempted recently with a couple but I might just hang out and get what I really want, a 924 Carrera GT, if they take a dip but I have stuff to do on the house too, sigh! Maybe next year.

Anyway a few pics of the KG just to prove I haven't exactly been idle. Apologies Chris for the hi-jack thumbsup









Cheers,
Paul
_________________
1980-4 924 Turbo with mods. (ex Tony Dron - 12th at Le Mans 1980 with works 924 Carrera Turbo).
1984-9 911 SC (1982)
1989-93 911 Carrera Sport (1989)
2010- 964 Carrera 2 (1990) Redtek 3.8RSR
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AVI_8
Trainee


Joined: 19 Jan 2014
Posts: 74
Location: Prestwick


PostPosted: Tue Jan 31, 2017 9:55 pm    Post subject: Reply with quote

deutschland-dobson wrote:
AVI_8 wrote:
Hi Chris
Nice work with the lenses, I'm planning on doing the same to mine.
It sounds as though the temperature is quite crucial, if it doesn't come off with gentle pressure put it back in the oven for a few minutes more.
Do they come with instructions? I noticed on another post you were looking for later lenses, mine's a 91 but I think it was built in 90 are these different or harder to do?
Logan


Hi Logan,

Putting them back in the oven does help. They seem to start splitting at the corners, where pressure must be greatest, due to the curve on the lens. You can work in sections to prise them away.

A post on Rennlist suggested that the darker coloured lights (maybe the older ones?) were harder to split. These were the older ones, and it wasn't too hard. Cant confirm either way i'm afraid.

When I bought the lenses from Design 911 you didn't get instructions or glue, you now do and they're an extra £5 I think?

Hope that helps Smile

Chris


Hi, yes it does, thanks for the tip, I'll get them with the glue, pity the same can't be done with the centre reflector!
Logan
 
  
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igaffz
Albert Park


Joined: 27 Dec 2011
Posts: 1665
Location: Newcastle upon tyne


PostPosted: Wed Feb 01, 2017 1:17 am    Post subject: Reply with quote

Nice one Chris, I've herd your lass haven't used the oven yet anyway so you should be ok!

My end game will be my current 964 and a light blue 924 turbo. When the 928 goes this year and I've finished the 944 I'll be on the look out for a suitable project, probably next year though, I want to use the 944 for a while. Wouldn't mind someone taking me for a spin in one first though, to see what there like? Something about a 924 shape I've always really liked!
_________________
Horizon blue, 964 carrera 2 tip, lowered on koni's, k&n, de-cat, cup pipe, leather trim and 18" 3 piece split rims.
Silver 928 S2, B reg, manual.
Guards red 944 lux, the new project!
 
  
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Wed Feb 01, 2017 10:38 am    Post subject: Reply with quote

[quote="AVI_8"][quote="deutschland-dobson"]
AVI_8 wrote:

Hi, yes it does, thanks for the tip, I'll get them with the glue, pity the same can't be done with the centre reflector!
Logan


Any time Smile

A guy on German eBay was selling the centre reflector, but it looks to be removed from sale. I'd struggle to fit that in an oven and would have to try with a heat gun though! Question

paul284pt wrote:
Apologies Chris for the hi-jack thumbsup


No worries Paul, i've always had a soft spot for that KG thumbsup
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Porsche 911 (964) C4 - Project RED - Outlaw4
Guards Red & Linen, Custom Leather, BBS LM Split-rims, H&R Coilovers, Cleaned Bodywork, 90s audio instal...
 
  
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Wed Feb 01, 2017 10:41 am    Post subject: Reply with quote

igaffz wrote:
Nice one Chris, I've herd your lass haven't used the oven yet anyway so you should be ok!

My end game will be my current 964 and a light blue 924 turbo. When the 928 goes this year and I've finished the 944 I'll be on the look out for a suitable project, probably next year though, I want to use the 944 for a while. Wouldn't mind someone taking me for a spin in one first though, to see what there like? Something about a 924 shape I've always really liked!


Nice to know where you're headed bud. Im sure the 928 will make the correct money in the summer thumbsup

Two light blue Porsche's sounds cracking, and the 964 and 924 will be totally different to drive Smile

Chris
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MarkGolf
Nürburgring


Joined: 13 Nov 2012
Posts: 379
Location: S.London


PostPosted: Wed Feb 01, 2017 5:12 pm    Post subject: Reply with quote

Ohh, I need to pull my finger out and sort my lights out! I have the lenses but it's a job I keep putting off.

What is the fitment like now you've glued the new ones one? I heard that they can bow outward..
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Wed Feb 01, 2017 5:17 pm    Post subject: Reply with quote

MarkGolf wrote:
Ohh, I need to pull my finger out and sort my lights out! I have the lenses but it's a job I keep putting off.

What is the fitment like now you've glued the new ones one? I heard that they can bow outward..


Im yet to re-fit them Mark, as the back bumper is off the car at the moment. Will keep you posted Smile

The shape of the lights means that they are under tension and want to bend out. The key is the clamping. For the first light I only had two clamps, so had to glue and clamp and then re-glue and clamp once the first section was dry.

Second time round was easier, as I borrowed a couple of extra clamps, so could apply tension to all surfaces at once Smile

Chris


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Last edited by deutschland-dobson on Fri Feb 03, 2017 4:49 pm; edited 1 time in total
 
  
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MarkGolf
Nürburgring


Joined: 13 Nov 2012
Posts: 379
Location: S.London


PostPosted: Thu Feb 02, 2017 10:32 am    Post subject: Reply with quote

Thanks!

You inspired me to make a start on them rather than sitting in front of Netflix last night. I got as far as bringing them inside and stripping everything off, I plan on putting 1 of them in the oven and see how I get on. 100 degrees / 9mins is what I will do. Takes me back to my Golf days and splitting lights to paint the inners black Smile

Thankfully I've got 6 of those clamps although I just realised, I have no glue so I'll have to get some. Did you specifically buy the glue pictured above?

I bet these lenses make my centre look old. Confused
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deutschland-dobson
Indianapolis


Joined: 23 Apr 2008
Posts: 2447
Location: NE England


PostPosted: Thu Feb 02, 2017 3:41 pm    Post subject: Reply with quote

MarkGolf wrote:
Thanks!

You inspired me to make a start on them rather than sitting in front of Netflix last night. I got as far as bringing them inside and stripping everything off, I plan on putting 1 of them in the oven and see how I get on. 100 degrees / 9mins is what I will do. Takes me back to my Golf days and splitting lights to paint the inners black Smile

Thankfully I've got 6 of those clamps although I just realised, I have no glue so I'll have to get some. Did you specifically buy the glue pictured above?

I bet these lenses make my centre look old. Confused


No worries Mark,

I just trawled ebay for a glue specific to hard plastics. This glue had a car rear light on the packet, so it convinced me (!)

The Rennlist guys use a different glue, but in not sure how easy it is to get over here?

http://www.selleys.co.nz/adhesives/household-adhesive/quick-fix-adhesive/plastics-glue/

I've re-read their thread and they think the older model lights with gasket all the way round (like the ones I did) are harder to separate then the newer ones. With heat and careful prising apart, it'll be OK

Good luck and take your time Smile

Chris
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