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Cobra 427 Build


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Posted

I feel your pain. I had to do some fairly extensive “adjustments “ to some of the fg parts on my last build. That had a mixture of old and abused parts plus a few brand new parts. If you have the space, a layer of glass tissue over the top helps with the finish. FWIW, I did similar methods to those you are using here and finished off with a filler skim. Just need to give it plenty of time to cure between layers and processes or you risk voids and dips. 

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Posted

Tonight I stitched the back half of the arch ready to add some matting.

 

FD615D07-391D-47FC-A18A-384376DF9107.thumb.jpeg.952032f1e844ce8cf6605f8a0b382207.jpeg

 

 

To get the arch to Reshape I used a heat gun to soften the existing GRP before stitching 

 

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Posted

That looks complicated!! Don't ever stitch me up if I get a cut...

Posted

The FrankenKobra 😁

Posted

I managed to get a couple of layers of chopped strand matting on the underside of the rear section of the wheel arch. Hopefully this will bond nicely and allow me to remove all the screws/plates.

 

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Posted

Screws and stitching plates removed. I then removed the gelcoat both sides of the cut /repair. I then feathered down the existing bodywork where it was cut to level into the new matting on the underside

 

A88F1013-CE55-4BAD-A51E-607E571A5E3C.thumb.jpeg.4ff99c361d0d925983637fb86fa56306.jpeg

 

 

Close up of grinding/feathering down to the new underside matting

 

AE6FC2B4-510D-4222-AE25-D5AE4102DADA.thumb.jpeg.eb836a53083268d20715a2488184249e.jpeg

 

 

Once this was done I laid up a couple of layers of chopped strand matting on the topside of the arch

 

62930DD7-9BA9-47C9-9792-8E4AC924FE0E.thumb.jpeg.75942af923715eb05c48044021720a2a.jpeg

 

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Finally a view from above looking down at the rear section of the arch. I am quite pleased with the initial shape that has been achieved. It feels like a good base to work on to smooth everything out

 

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Posted

Looks great Gary! I'm looking forward to seeing the final result.

Posted

its looking really good now Gary keep up the good work.

Posted

If I did this I’d be covered in so much sticky resin I’d look like a pubescent Spider  Man. 

Posted
2 hours ago, Archibald Meatpants said:

If I did this I’d be covered in so much sticky resin I’d look like a pubescent Spider  Man. 

 

And the car would end up held together with tie wraps

Posted

Good (very brave) work gary! All that fibre glassing is making me itch just seeing the pics.

Posted

Fuel filler cap now fits

 

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Posted

I don’t seem to be getting much garage time lately which is a bit frustrating. I managed a short spell this evening and started to trim/shape one on the rear arch liner panels.

 

482B105F-22E5-4CA3-BC29-CF97E4714EBD.thumb.jpeg.7f8f93ec61ce494fb479b77b22ed3023.jpeg

 

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Posted

Now the heat has eased, I got in the garage and got busy with matting, resin and fumes.

 

First rear arch liner glassed. 

 

Front of arch liner 

249F622A-91CB-43BF-A9A3-DC2DB081F68F.thumb.jpeg.9f344d7c310c445cf7c3aea5370feb1c.jpeg

 

 

Arch liner against front of boot panel

235FE217-312C-427D-B2AC-D5F72E5E3E33.thumb.jpeg.8e0c5545b79b7fdb65a8353e3c632cb1.jpeg

 

Outer edge of arch liner

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Posted

I had also been thinking about how to bolt down the fuel filler cap, as access to the top of the fuel tank is non existent due to the nature of the boot and rear bulkhead panels.

 

So I decided to make up a captive retaining ring with threaded holes to bolt into

 

A3D6093B-ECE8-4724-AF2F-5D081BDAFCFB.thumb.jpeg.a55c5841c4bb3cbf14e7d25765f5e4e0.jpeg

 

 

All bonded to the underside of the bodywork

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