7161 Chassis restoration

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Re: 7161 Chassis restoration

Postby eric » Sun Jun 07, 2020 5:53 am

Sorry I am just thinking, it was £475, no idea what I was thinking when I typed £275.. I hate it when they try and add VAT at the last minute but he held it there for cash. I think Rich got away with £450 somehow.... must have been prettier than me ;)

They were really pushing their new Zinc Brush on galvanizing, describing how hot dip could lead to a death start type explosion but I just said I would think about it. I know there is no way brush on will get in all the cavities.
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Re: 7161 Chassis restoration

Postby mec » Sun Jun 07, 2020 9:35 am

Naa deffo not, it needs to be dipped, the place near alex did a great job of galv and p coat on mine and they were very resonable, also because they have done about 5 of them now, they know all the places if needed that any holes may need driling for the galv to get into
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Re: 7161 Chassis restoration

Postby eric » Sun Jun 07, 2020 1:08 pm

Yup, it will be done at the same place.

Alex is having fun working out WTF happened with the rear of my chassis. This was the bit which always worried me as whilst the rear fascia was immaculate I could see a crease either side of the engine which was on top and bottom which could only have been a rear dink, well it turns out that crease is at multiple points and has even pulled one of the rear turrets out of alignment.

So whilst rot is good news structural alignment is a little off. Which I feel happy about as

a. I always suspected something like this
b. I caught it in time
c. its not wasted effort
d. its all fixable


Luckily Alex seems well equipped to sort it out and keeping in mind he can build a chassis ground up from nothing I have no concerns leaving it with him. Just the fact from the pics below you can see even before he has started doing anything its up high and clear so he can see all around it at a good height to work out what's needed.

This is probably one of the worst pics showing the result.
Image

Red marker showing the warp
Image

Correct Mount
Image

Wrong Mount should be flat
Image

Even getting "freaking Laser beams" on it.....
Image


So glad I took it apart, it appears to be in time from a rot perspective and whilst some of the alignment isn't a big deal I have asked Alex to sort it, no point with all this effort and time and 1/2 assing it.

Its amazing there were a few were I thought, it wasn't like that before the acid bath has something happened, then I look back at some other pictures I took whilst dismantling it and you can see odd little things which I wouldn't have picked up on before.

So no matter how good your welder/mechanic chap is, I can now see the massive benefit taking it to someone who specialises in that vehicle.

Alex was telling me about the front extensions and how they really just weren't fit for purpose and with all the braking etc the roll bar just rags them around too much and its such thin metal.

I assume things like that and the LCA's and TAB's would have all been failure/recall items if more of the cars were made and did high mileage.

Still its 40 years old In a few months so not too bad.

// Just to add we have social distanced the whole time and all I did was drop it off, the rest of the pics are from Alex.
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Re: 7161 Chassis restoration

Postby jerzybondov » Sun Jun 07, 2020 1:42 pm

Great updates - that's a pretty strange place to have a bump isn't it? I wonder what could have happened...
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Re: 7161 Chassis restoration

Postby eric » Sun Jun 07, 2020 4:11 pm

I don't think so its bang on the rear end and the shock has transferred through the frame To the rear turret area. No idea when this all happened must have been when it was in the US.

Alex said some the twist and bend fairly easily, even ones which have rolled without the handbrake on and running into something at a relatively low speed suffer.
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Re: 7161 Chassis restoration

Postby A Van » Sun Jun 07, 2020 5:36 pm

Rest assured - Alex is the expert on these chassis!


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Re: 7161 Chassis restoration

Postby cis6409 » Sun Jun 07, 2020 9:52 pm

Great pics to see the process, it ll be mint when it's done! Excellent
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Re: 7161 Chassis restoration

Postby eric » Mon Jun 08, 2020 10:09 am

TAB - Trailing Arm Bolts

http://support.delorean.com/kb/a72/trai ... bolts.aspx

One thing which fascinates me is a managed to remove the trailing arms from the frame with the entire TAB kit in tact ? Not sure how that happened or was even feasible as I wasn't expecting it to fit through the hole with the bush etc but it did?

Image

A fair old kink in the bolt.

Image

My DGo basket is getting a fair size. :jzd:
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Re: 7161 Chassis restoration

Postby eric » Sun Jun 14, 2020 7:58 am

Update: Steel for the chassis is ordered should be there in 8-10 days, in the meantime Alex is cracking on with the front section, where the minimal corrosion is.

In the meantime loving the little jobs which are easy as can be with the body off.

Finally got the last TAB off the trailing arm SAT, each night I had been spraying it, soaking it trying to turn it with all my might like Thor with his hammer, hitting it, swearing.

Then finally I thought, I will give my air gun a go.... Because it wasn't undoing a bolt so to speak but freeing a bolt from a fitting I hadn't considered it.

Image

Boom, 5 secs its off, it always amazes me how good these things can be.

Strange, one is bent no corrosion, the other straight corroded.

Image

Steering loose play was picked up on the MOT so I had a replacement bush courtesy of Arran, I always dreaded doing this as I knew it would be a pig taking the steering rack out, or botching it by cutting the bush in half. Well know that's all out I can have a good look at the state of the existing bush.

So much black sealant around there, once cut off it was evident it was <cough> lacking.

Image

New one in.

Image

Pull it through, praise be it doesn't push the bush out so its nice and tight.

Image

So that's my two advisories taken care of just need to put it all back together now.
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Re: 7161 Chassis restoration

Postby mec » Sun Jun 14, 2020 10:14 am

Awesome ! :thumbsup: :thumbsup: :dance: :dance:
NTH347X... now DMC 81X
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