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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 20, 2019 10:18 pm
by Lightweight_911
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Must have felt like a satisfying couple of days' work Mark ... well done


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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 20, 2019 11:41 pm
by DustyM
:cheers:

Order yourself some epoxy mastic if you don't have it and give everything a good coating before putting the rear wing section back on.

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Mon Jan 21, 2019 3:55 am
by jjeffries
Gents, I need some cross-Atlantic translation, please: epoxy mastic...two-part epoxy primer, but brushed on? For better or worse, we don't use the word mastic here, but from my days as a lad in Brissle, I associate it with something more gummy or at least thicker and more viscous. Any clarifications appreciated. Thanks, John

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Mon Jan 21, 2019 6:09 am
by sladey
You’re right Andy - it was great

Good call Jon.


No problem John

This is the stuff

https://www.rust.co.uk/product/cat/em-1 ... is-paint-7

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Mon Jan 21, 2019 8:43 am
by jevvy
sladey wrote:Made up a repair patch

Image

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Nice work fella, I hope you managed to get the curtains back up before the Mrs got home though?

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Mon Jan 21, 2019 9:30 am
by Sam McMahon
Glad to see the panel turned up in good time and that it’s been of use to you, great looking project you’ve got there.

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Mon Jan 21, 2019 5:57 pm
by sladey
No problem jevvy - she’ll never notice they’ve gone

Thanks Sam - the part is just what I needed. Seemed a shame to be cutting off the engine mount to get at the bit I needed but needs must

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 8:24 am
by sladey
OK I”ll do a bit of progress report before starting again today

I’m starting with the bit in the photo above. I cut down my repair piece to the point where I could clamp it on top

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With it clamped on top I scribed all the edges in the original panel underneath.

I then cut near to them with a grinder and cutting wheel and used a sander to take it carefully to the edge


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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 8:26 am
by sladey
This produced this

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Took a bit of jigging about - the flange on the left was bent a bit so when you clamped it down it threw the rest out. I straightened it out and it sat OK


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1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 8:31 am
by sladey
Then sprayed the back of the repair piece in weld through primer

Image

On the body I masked up and sprayed the back of where the seam weld would be in weld-through primer
Then I worked out where the plug welds would be, sanded them back to bare metal and spot sprayed them in weld-through primer

Then I sanded back the inside of the cavity and treated it with Fe123 rust converter. This converts any rusty steel to a black hard surface. I forgot to take a photo at that stage. Once that had dried I sanded it down roughly by hand

Then I epoxied the back of the repair piece and all the inside of the cavity - staying clear of the bits with weld-through primer on them


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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 8:33 am
by sladey
Then it’s welding time. This is part way through the process

Image


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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 8:34 am
by sladey
and this is with it mostly smoothed down

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Back onto it today


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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 8:45 am
by Gary71
Good stuff Mark,
I've taken to removing tiny patch of 'weld through' primer from behind the the plug weld. Splatter central otherwise!

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 10:04 pm
by sladey
More progress today

Marking out

Image


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Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

Posted: Sun Jan 27, 2019 10:06 pm
by sladey
Then cutting out - brave pills required

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After cutting I was relieved to see how thick the steel was - even though it was pitted


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