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-   -   91' V6 Miata restoration (https://www.miataturbo.net/build-threads-57/91-v6-miata-restoration-91156/)

mark88 11-09-2016 06:59 AM

91' V6 Miata restoration
 
Everything starts 6 years ago, when i bought a '91 Mariner Blue Miata 80k miles (usa spec), 1.6 115cv in Torino (north Italy)
Nice and shine, (olmost) 100% stock , beautiful color, brand new soft top..
Apparently perfect right?
well.. NO!

The car was imported from Germany few years before and this meant rust.
I knew it but it was love at first sight and decided to bought it anyway..
In my mind the idea was a very little conservative restoration to fix some minor issue but after few days i realized that i should have to change my mind.

Here some pics of my miata after i bought it


https://cimg6.ibsrv.net/gimg/www.mia...1707460f9a.jpg
https://cimg4.ibsrv.net/gimg/www.mia...64c2d56411.jpg
https://cimg8.ibsrv.net/gimg/www.mia...660c1922f0.jpg

Braineack 11-09-2016 07:51 AM

what v6 are you restoring?


the red and orange buttons on the shifter, and aftermarket radio suggest it's not 100% stock.

mark88 11-09-2016 08:37 AM

3 Attachment(s)
The orange switch is for some kind of light made from the old owner.. but i don't care for now.
The engine is a KLZE 2.5 V6 from a Mazda 626. I bought it one year ago and it still is in the garage.

Ok now let's talk about restoration first.
After one month of occasional use the first problems appears and i decided to start a little restoration but then i realised that it would be a massive restoration!

Attachment 182768

Attachment 182769

Attachment 182770
Rust rust rust rust...

Onyxyth 11-09-2016 08:40 AM

That'd be considered a clean car here in PA.

viperormiata 11-09-2016 10:55 AM

Welcome!

psyber_0ptix 11-09-2016 11:03 AM

Good color

sixshooter 11-09-2016 01:06 PM

Welcome to the forum. Will this be a complete strip down or just a repaint of the bottom of the car?

KMiata 11-09-2016 01:32 PM

Welcome! Looks like a fun project. Car looks great.

x_25 11-09-2016 03:38 PM

I wish either of my cars had that little rust....

mark88 11-10-2016 11:53 AM

9 Attachment(s)
Unfortunately this is the only good parts of the car..
Both sills were completely rusted, the right side worse than the left, the control arms rusted too, the diff, everything! :vash:

Attachment 182757


Attachment 182758


Attachment 182759


diff
Attachment 182760


right sill :cry:
Attachment 182761


near the fuel tank
Attachment 182762



after that, i started cut off all around the rusty parts to check the real amount of damage
Attachment 182763


Attachment 182764


Attachment 182765

thirdgen 11-10-2016 01:10 PM

Holy FaeFlora!!!!

mark88 11-10-2016 01:20 PM


Originally Posted by x_25 (Post 1373254)
I wish either of my cars had that little rust....

shure? :giggle:

mark88 11-11-2016 10:44 AM

5 Attachment(s)
Anyway, i started with the fuel tank.
all the edges were rusted under the stone chip and all the plates too.
Attachment 182737

wirebrushed, welded and painted again
Attachment 182738

and the plates from this
Attachment 182739

to this
Attachment 182740


after that i started with the control arms.. very funny.
Attachment 182741

x_25 11-11-2016 12:32 PM


Originally Posted by mark88 (Post 1373522)
shure? :giggle:

I take it back....

My daily will get there though. Stupid road salt...

mark88 11-17-2016 07:57 AM

7 Attachment(s)
Time to remove the engine and other stuff!

But first.. where are my engine bolts on the car :facepalm:
anyway..

Attachment 182681


Attachment 182682

Attachment 182683

time to rest :rofl:
Attachment 182684


and few hours later the engine bay almost empty and front (nice and clean) axle out

Attachment 182685

Attachment 182686



Attachment 182687

mark88 12-09-2016 02:33 AM

4 Attachment(s)
After the engine bay i mouved my work to the interior..
22 years of dry leaves, dust, and so on..

Attachment 182460


Attachment 182461

And under the carpet the same stuff.. rust!

Attachment 182462


Another problem is the driver side bended seat rod (i'm not sure is the right name)
probably some previous owner was a 150 kg man :rofl:


Attachment 182463

mark88 12-10-2016 02:09 AM

3 Attachment(s)
Little update, reinforced rear subframe.
Rady for sandblast and powder coat

Attachment 182449

Attachment 182450

Attachment 182451

mark88 12-20-2016 02:47 AM

Finally my chassis tilter is rady!

https://cimg5.ibsrv.net/gimg/www.mia...d87123040f.jpg

https://cimg6.ibsrv.net/gimg/www.mia...036fa75b55.jpg

https://cimg7.ibsrv.net/gimg/www.mia...a896e12ec5.jpg

kevinspann 12-20-2016 10:23 AM

Is the subframe seam welding something that helps? I don't know that I've seen it done before.

mark88 12-21-2016 01:35 PM

n the front side i used the original frame, on the back the rear bumper holding holes.
I'm very satisfied about the result, working under the car is very easy now!

Then i started removing all the underbody stone chip protection.

https://cimg1.ibsrv.net/gimg/www.mia...ba4d0498e8.jpg

https://cimg2.ibsrv.net/gimg/www.mia...59338e57bc.jpg

https://cimg5.ibsrv.net/gimg/www.mia...fd2eea0ae2.jpg


A closer look at the right subframe scratched and rusted..

https://cimg1.ibsrv.net/gimg/www.mia...c3192127cd.jpg

freedomgli 12-21-2016 02:12 PM

Looks like it's going to be a big project. Good luck! I dream of being able to do a rotisserie restoration of my own car one day to make it better than new. "Gentlemen, we can rebuild it. We have the technology. We have the capability to make the world's greatest sports car."

mark88 12-23-2016 03:59 PM

Next step: let's start with some spot welding!

https://cimg8.ibsrv.net/gimg/www.mia...3c14c82d58.jpg

https://cimg4.ibsrv.net/gimg/www.mia...957edf1932.jpg

https://cimg6.ibsrv.net/gimg/www.mia...1e2b2c0d1d.jpg

https://cimg7.ibsrv.net/gimg/www.mia...616ec4175b.jpg

https://cimg1.ibsrv.net/gimg/www.mia...4e965965df.jpg

psyber_0ptix 12-23-2016 04:07 PM

Can you do this to my car?

Stealth97 12-24-2016 01:10 PM

Can't wait to see how this turns out!

OptionXIII 12-24-2016 05:41 PM

Threads like this really make me wish I had kept the clean shell I had and kept on stitch welding it for a future build. Can't wait to see what more you do!

Any extra planned reinforcement, or are you just stitch welding it?

mark88 01-01-2017 01:01 PM


Originally Posted by OptionXIII (Post 1383117)
Threads like this really make me wish I had kept the clean shell I had and kept on stitch welding it for a future build. Can't wait to see what more you do!

Any extra planned reinforcement, or are you just stitch welding it?

Reinforced frame rails, fender braces and roll bar. everything bolted on, not welded.
i hope it will be enough. :rofl:

First, the brand new roll bar

https://cimg9.ibsrv.net/gimg/www.mia...50722e60bf.jpg


And some more updates about restoration..

lots of rust inside frame's overlapping congiunction
lhttps://cimg2.ibsrv.net/gimg/www.mia...9f316442b0.jpg

fixed
https://cimg3.ibsrv.net/gimg/www.mia...a523f930fd.jpg

bendend
https://cimg9.ibsrv.net/gimg/www.mia...22b0dcb7c7.jpg

welded
https://cimg0.ibsrv.net/gimg/www.mia...dc05462de3.jpg

rady for nex step
https://cimg2.ibsrv.net/gimg/www.mia...bde0a19a6d.jpg

https://cimg1.ibsrv.net/gimg/www.mia...7d856c1a05.jpg


https://cimg5.ibsrv.net/gimg/www.mia...b22df3a2c7.jpg



Another big problem was near the door, no structural corrosion here
Opened like a candy :rofl:

https://cimg2.ibsrv.net/gimg/www.mia...f322bf85d7.jpg

https://cimg3.ibsrv.net/gimg/www.mia...22f73be4fd.jpg

https://cimg5.ibsrv.net/gimg/www.mia...fbff31d3b8.jpg



And the rear left sill completely opened

https://cimg3.ibsrv.net/gimg/www.mia...5de6ed74e3.jpg

az-ben 01-01-2017 07:05 PM

I do not miss working on cars with this much rust. That said, you are going to have one awesome car when this is all finished! Keep it blue.

mark88 01-04-2017 03:32 PM

Test fitting for my stainless steel frame rails

https://cimg8.ibsrv.net/gimg/www.mia...63ef0b939d.jpg


After that, i started with the sandblasting treatment, the worst job ever!! :bang:
But the result is awesome! rust, dirt, paint.. everything clean as i like it!

https://cimg1.ibsrv.net/gimg/www.mia...cc0ca212e6.jpg


https://cimg6.ibsrv.net/gimg/www.mia...46be3b510b.jpg


https://cimg2.ibsrv.net/gimg/www.mia...260cfdbd15.jpg


https://cimg3.ibsrv.net/gimg/www.mia...c17373e0b1.jpg

G3ML1NGZ 01-05-2017 08:09 PM

very well done. Unlike you I LOVE sandblasting. Just put on some music, switch off your head and go blasting. I'll be following this thread.

mark88 01-07-2017 06:30 PM


Originally Posted by G3ML1NGZ (Post 1384980)
very well done. Unlike you I LOVE sandblasting. Just put on some music, switch off your head and go blasting. I'll be following this thread.

probably with the right equipment i'll like it too, but with my cheap sandblaster it was a big mess!

anyway, i finished welding and sandblasting the whole under car

https://cimg6.ibsrv.net/gimg/www.mia...06e729f610.jpg

https://cimg1.ibsrv.net/gimg/www.mia...d588c05c32.jpg


it's time to prepare the engine bay too. not sandblasting, just sanding with many kind of sandpaper..

https://cimg3.ibsrv.net/gimg/www.mia...78b41d51c8.jpg


everything's ready for paint, when.... something arrives in the garage...

https://cimg2.ibsrv.net/gimg/www.mia...be49a8a092.jpg

mmh.... :naughty:

https://cimg2.ibsrv.net/gimg/www.mia...4541a494c9.jpg

Zaphod 01-09-2017 04:02 AM

Dammit, such a nice work...! Propcats for you!

mark88 02-19-2017 05:07 AM

New bodyworks update!
I bought the aftermarket quarter panel but those are thinner than the original ones and doesn't fit very well..
After many hours af work the result is acceptable.

https://cimg5.ibsrv.net/gimg/www.mia...f1d0cd2bea.jpg

https://cimg6.ibsrv.net/gimg/www.mia...3760b37ceb.jpg

https://cimg7.ibsrv.net/gimg/www.mia...edc34ae112.jpg

https://cimg8.ibsrv.net/gimg/www.mia...0280f4d6b9.jpg

https://cimg9.ibsrv.net/gimg/www.mia...f699e31782.jpg

https://cimg0.ibsrv.net/gimg/www.mia...308794f182.jpg

Now i'm ready for carbon miata fender flares!

ridethecliche 02-19-2017 07:50 PM

This is awesome. Solid progress!


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