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kerb scraper
Spa-Francorchamps


Joined: 25 May 2012
Posts: 350
Location: Hertfordshire

1997 Porsche 993 Carrera 4

PostPosted: Wed Jul 05, 2017 7:47 pm    Post subject: Renewing wheelarch protection DIY Reply with quote

When I became the custodian in 2001 my 993 already had some paint protection film on the rear of the wheel arches as protection against stone chips. The tyres are very close to the arch so protection is definitely a good idea.

After so many years the film was very scabby at the front:



The rear PU was replaced recently and so had no film hence I wanted to protect the new paint.

I bought 2 metres of 75 mm wide helicopter tape on a well known auction site for all of £9.99. There are many vendors as this is popular with cyclists who use it to protect their frames from chain slap and cable rub etc.

I made a template from the old film by covering it with masking tape, tracing the outline then removing the tape and sticking it to some white plastic film and cutting round the outline. The template was then used to mark out the new paint protection film.



The template can be reversed to mark the new film for the other side.

Removing the old film from the fronts was tiresome and it came off reluctantly in small fragments. I used a heat gun very carefully (no more than 20 seconds at the low heat setting):



I really went to town on cleaning up the wheel arches using brake cleaner, snow foam, Iron-X, clay bar, tar spot remover, super resin polish and finally brake cleaner again..

The technique to apply the new film is amazing if you haven't done it before as it seems to defy the laws of physics. All you need is a spray bottle of about 500 mls water with 3 drops of washing up liquid (the 'slip solution') and a squeegee of some sort. Ideally rubber but I had to use an applicator (the sort that comes with body filler). A credit card can also be used. Unfortunately I couldn't take pictures of this bit as needed both hands all the time.

The basic technique is to wet the wheel arch, wet both sides of the film, line up the inside long edge of the film, press into place and then squeegee with lots of pressure from the inside edge to the outside edge until all the slip solution and air bubbles are expelled then wipe down with a microfibre cloth.

If you screw up or dirt gets under the film simply pull it off, spray with slip solution and start again. (you can do this as often as you like!).

There are lots of videos on line showing how it is done.

Here are a front and rear finished article:





The camera makes the film look darker but in real life it is almost invisible.

Considering the great condition of the paint under the old film I'd say this is well worth doing - especially if you have fresh paint on these areas.
_________________
1997 C4 Cabriolet, Arctic Silver, black interior, 18" hollow spokes, Bilstein PSS10s, RSRs, 200 cell cats, Mobil 1 sticker, LED to interior. Bergville t-lights.
 
  
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AndyS
Barcelona


Joined: 25 Mar 2010
Posts: 1320
Location: The fast lane


PostPosted: Wed Jul 05, 2017 9:11 pm    Post subject: Reply with quote

Hi KS - this looks pretty good, as in I can't see it!

What thickness tape did you use?
Reason I ask is I did this years ago, but before I had the re-spray (so I need to do it again). When I did it though, it was a proper pain getting it to sit inside the seam at the sill.....
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Andy
1996 Polar Silver 993 Coupe - AKA 'the money pit'
A Class AMG & Golf TDi for the daily

 



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kerb scraper
Spa-Francorchamps


Joined: 25 May 2012
Posts: 350
Location: Hertfordshire

1997 Porsche 993 Carrera 4

PostPosted: Wed Jul 05, 2017 9:27 pm    Post subject: Reply with quote

Dont know I was afraid someone might ask that.

The eBay ID is 111786647945

According to the seller's shop details they've been selling this kind of stuff for 20 years so hopefully they don't sell rubbish. Tape seemed errrr... Quite thick rather like myself.

Edit: are you sure that's a seam? - it just looks like a crease to me that demarcates the transition from paint to stonechip.
_________________
1997 C4 Cabriolet, Arctic Silver, black interior, 18" hollow spokes, Bilstein PSS10s, RSRs, 200 cell cats, Mobil 1 sticker, LED to interior. Bergville t-lights.
 
  
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dommorton
Zolder


Joined: 16 Mar 2008
Posts: 5031


1998 Porsche 993 Carrera 4S

PostPosted: Thu Jul 06, 2017 7:19 am    Post subject: Reply with quote

Neat job that well done.

I did the same but used a kit from Autoshield Protection in Newcastle-upon Tyne. It came cut to size for the narrow body car, but with some slight adaptation it fitted my wide bodied car perfectly. The wide body has a wider painted sill trim and it takes a real battering if not covered.
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Good cars can get you from point A to point B. And great cars? Well, they'll just get you into trouble.
 
  
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AndyS
Barcelona


Joined: 25 Mar 2010
Posts: 1320
Location: The fast lane


PostPosted: Thu Jul 06, 2017 12:08 pm    Post subject: Reply with quote

kerb scraper wrote:
Edit: are you sure that's a seam? - it just looks like a crease to me that demarcates the transition from paint to stonechip.


Bad choice of words I suppose - yes, more of a crease.
Same thing though, did your helicopter tape press in to this OK - as the one I used was fairly thick and was a 'challenge'?
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Andy
1996 Polar Silver 993 Coupe - AKA 'the money pit'
A Class AMG & Golf TDi for the daily

 
  
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kerb scraper
Spa-Francorchamps


Joined: 25 May 2012
Posts: 350
Location: Hertfordshire

1997 Porsche 993 Carrera 4

PostPosted: Thu Jul 06, 2017 1:27 pm    Post subject: Reply with quote

AndyS wrote:
kerb scraper wrote:
Edit: are you sure that's a seam? - it just looks like a crease to me that demarcates the transition from paint to stonechip.


Bad choice of words I suppose - yes, more of a crease.
Same thing though, did your helicopter tape press in to this OK - as the one I used was fairly thick and was a 'challenge'?


You have a good point. The original film stopped at the crease and I simply replicated it. This results in the paint on the crease being unprotected; which is not great. Think it would have been very difficult or impossible to get the tape to adhere in the crease. I might just try extending the stone chips up to the tape. And then painting over with body colour.
_________________
1997 C4 Cabriolet, Arctic Silver, black interior, 18" hollow spokes, Bilstein PSS10s, RSRs, 200 cell cats, Mobil 1 sticker, LED to interior. Bergville t-lights.
 
  
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Alf Tupper
Newbie


Joined: 29 Oct 2016
Posts: 11
Location: Devon


PostPosted: Sat Jul 08, 2017 9:27 am    Post subject: Reply with quote

Great post OP. I had this tape put on the rear wings of my old Westfield V8 and it worked superbly well and was almost invisible across the wing. I didn't realise it was still available, I might give it a whirl.
Thanks for the heads up...
_________________
2000 996 Turbo Tip
1996 LHD 993 Targa Tip (gone)
1996 993 Targa Manual (gone)
V8 Westfield (gone)
1984 Series 3 SWB Landy
 
  
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