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LOWE TECH
Samba Member
Joined: June 22, 2016
Posts: 44
Location: SW Washington
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 Posted: Thu Oct 06, 2022 12:26 pm Post subject: Acid Dipping |
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Thought I would share a video posted by the shop that did the work on my car. Not for everyone I know, but I thought it might be informative to anyone considering this option.
https://www.youtube.com/watch?v=25yh_rhLamk |
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Tobias Bylund
Samba Member
Joined: December 10, 2007
Posts: 202
Location: Varberg - Sweden
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| Posted: Fri Oct 07, 2022 1:54 am Post subject: Re: Acid Dipping |
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Looks great!! Wish i could to that here in Sweden... I know that it can be done, but it is soo expensive, it did cost around 3-4k (USD) back in the late 90s, i would guess over 5k now.
You have the best foundation possible for inspection/metalwork/paintprep now! |
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viiking
Samba Member
Joined: May 10, 2013
Posts: 2667
Location: Sydney Australia
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| Posted: Fri Oct 07, 2022 3:11 am Post subject: Re: Acid Dipping |
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So now all the folded joints are starting to rust faster than they ever have. The steel has been cleaned of any paint and now is super reactive and will rust extremely quickly.
External acid cleaning is great but not for total immersion.
Remember VW completely dipped the body in paint for a reason to seal off all the inaccessible and folded joints.
_________________
1968 1500 RHD Lotus White Beetle since birth. In the hospital for major surgery
1966 Lancia Flavia Pininfarina Coupe - in the waiting room
Discharged: 1983 Vanagon, 1974 1800 Microbus,1968 Low Light,1968 Type 3 |
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LOWE TECH
Samba Member
Joined: June 22, 2016
Posts: 44
Location: SW Washington
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| Posted: Fri Oct 07, 2022 7:18 am Post subject: Re: Acid Dipping |
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Like I said "Not for Everybody"
Not too many shops doing it here anymore. I'm lucky to be a few hours away. After cleaning a rust inhibitor is applied. Straight to the paint shop from there. Full prep then primer. All the hidden areas are painted with a wand equipped with a rotating nozzle. |
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67rustavenger 
Samba Member
Joined: February 24, 2015
Posts: 9754
Location: Oregon
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| Posted: Fri Oct 07, 2022 10:55 am Post subject: Re: Acid Dipping |
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Wish you would have called me, before making the trip to Eugene.
I have a 67 vert decklid that needs a dipping in the acid bath! 
Oh well. I guess I can ship it in a container and get the job done.
Your car body looks great BTW.
_________________
I have learned over the years.
Cheap parts are gonna disappoint you.
Buy Once, Cry Once!
There's never enough time to do it right the first time. But there's always enough time to do it thrice.
GFY's Xevin and VW_Jimbo! |
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Onceler
Samba Member
Joined: May 28, 2010
Posts: 1646
Location: Indiana
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viiking
Samba Member
Joined: May 10, 2013
Posts: 2667
Location: Sydney Australia
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| Posted: Sat Oct 08, 2022 2:33 pm Post subject: Re: Acid Dipping |
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Certainly if you e coat after acid dipping then you have protection. The e coat process requires dipping in a solution and then an electric current is introduced to deposit a zinc rich coating at the MOLECULAR level meaning folded joints are probably treated.
Just spraying with a rust inhibitor (sodium nitrite?) of painting with a wand may just bridge over metal areas and not wick into small cavities.
_________________
1968 1500 RHD Lotus White Beetle since birth. In the hospital for major surgery
1966 Lancia Flavia Pininfarina Coupe - in the waiting room
Discharged: 1983 Vanagon, 1974 1800 Microbus,1968 Low Light,1968 Type 3 |
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