Diy anodizing - Hemi Truck Club
 
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Old 03-02-2018, 09:59 PM   #1
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Diy anodizing

I figured this would be the best place for this thread.

Background:
I'm building my hemi and I've gotta a few billet parts that were anodized all different colors and I hated it not to mention I might get a few more hp making everything match. My fuel rail was orange and a cover plate on my bbk throttle body was blue amd the custom spacers I made were natural. I decided red was the only way to go considering my mad coils were red.

On to the process!!
First things first are all the supplies. For this you'll need the following:
Adjustable power source
Titanium wire 18ga or aluminum wire
2 Plastic buckets big enough to fit parts
Lye
Battery acid
Distilled water
Empty spray bottle
Dye
2 pots big enough to fit parts
Gas stove or heat source

Lets begin!
Fisrt you need a clean part which means decreasing your part as best as you can. Do what ever it take to remove all the grease.

Second sand your parts down with whatever grit your like your finish to be. If you like the brushed look the hit your parts with some steel wool or green scuff pad. If you like that mirror finish then buff the crap out of it.

Third degrease and wash you part again. Yup do it again.

Fourth get a plastic bucket and put enough distilled water in it to cover your part bit before you do add a little bit of lye crystals to the water. Stir the mix around with something clean until the crystals have dissolved. This will etch your part and remove old anodizing. You might have to scrub some of your old anodizing off with a brass brush. Use your spray bottle filled with distilled water to rinse off the part. *****From here on out you will be using nothing but distilled water*****

Fifth now is time to setup your acid bath. Take your other plastic tub and fill it with 2 gallons of distilled water and pour 32 oz of battery acid into the water. ****** never pour water into acid you will die**** you won't actually die but youtube it and have a laugh. You will new a piece of aluminum to sacrifice and it needs to be at least 1/3 the size of your part. I drill a hole in a piece of clean scrap I had and tied it off to some of my titanium wire. Make sure the wire doesn't touch the acid water just the plate.

Sixth I used a steel bar that I had to hang my part from. I used my titanium wire to hang my part. Make sure your entire part is submerged in the acid water.

Seventh connect your ground wire to the scrap aluminum plate via the titanium wire. Don't attach your part to the positive yet. Make sure that the positive is touching nothing that could let it short circuit. Adjust the power source voltage according to the 720 rule. 720 Rule Anodizing Calculator I set my mils to 1. This will give you the thickest coating but will take longer. Now attach the positive line to the part via the titanium wire. Now that's its all connected up set your current to whatever your 720 rule says. Now look at your scrap aluminum plate, it should be fuzzing. Set a timer to the amount the 720 rule says.


Eighth after you part is done cooking you can take it out and spray it off with your distilled water.

Ninth take your part over to your pot of dye and distilled water. Make sure to pre heat the dye/water to 140 degrees. Stick your part in and let it soak for as long as you want but most part will be good at 15 minutes.

Tenth take it out of the dye solution and spray it off with your distilled water.

Eleventh fill your last pot with distilled water and bring it up to a boil. The water must be boiling. This seals all the pours in the metal and also seals in the color. Let it boil for about five minutes. Take you part out of the boiling water and spray it off again with your distilled water. You can now rinse it off under cold regular tap water to cool.

Booom you should have a great part!!!!!!!

Ill be posting more pictures tomorrow as I wanted to make sure I had my process down before I shared it with y'all.

Definitely got 5 horsepower from this mod 😂😂
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Old 03-03-2018, 01:39 AM   #2
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Sounds like fun.. well done.. every hp counts..
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Old 03-03-2018, 09:14 AM   #3
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NICELY DONE
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Old 03-03-2018, 09:33 AM   #4
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Old 03-03-2018, 02:48 PM   #5
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Old 03-04-2018, 05:02 AM   #6
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Old 03-23-2018, 06:37 PM   #7
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So I guess it would be a shame to not share my final results with yall....
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Old 03-23-2018, 06:44 PM   #8
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Good job!
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Current 60' PB 1.351 (2019) mechanical issue for 1/4m

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Old 03-23-2018, 11:47 PM   #9
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Old 03-24-2018, 06:58 AM   #10
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