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Author Topic: Acid etching engine block stamping numbers  (Read 4001 times)

Lucky65!

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Acid etching engine block stamping numbers
« on: February 08, 2024, 04:53:47 AM »
Has anyone had any luck acid etching a block to raise missing/ ground off stamping numbers? What acid is used for cast iron?
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bcmiller

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Re: Acid etching engine block stamping numbers
« Reply #1 on: February 08, 2024, 05:32:36 PM »
We had two links in the engine section but they don't seem to be working right now. I am checking on them.

I have tried it before but did not have any luck.
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Bryon / 1968 Camaro SS 396 coupe - now old school 468 big block
1967 Camaro RS/SS 396 coupe L35/M40 - 4 generation family project
Looking for 68 Camaro with body # NOR 181016

bcmiller

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Re: Acid etching engine block stamping numbers
« Reply #2 on: February 08, 2024, 06:23:35 PM »
OK you can find the link on the drivetrain page.
http://www.camaros.org/drivetrain.shtml#PadStamps

Here is the direct link.
http://www.camaros.org/txt/acidetch.txt

CRG is not responsible for any damages or injury. Do this at your own risk!!!!
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Bryon / 1968 Camaro SS 396 coupe - now old school 468 big block
1967 Camaro RS/SS 396 coupe L35/M40 - 4 generation family project
Looking for 68 Camaro with body # NOR 181016

Jonesy

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Re: Acid etching engine block stamping numbers
« Reply #3 on: February 10, 2024, 02:04:59 AM »
I dont think I have ever seen anyone have luck doing this.
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1967 RS-Z/28 Nantucket Blue the D-2 car
1969 RS/SS 350 4 speed Azure Turquoise
1969 Z28 Azure Turquoise

68 Ragtop

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Re: Acid etching engine block stamping numbers
« Reply #4 on: February 10, 2024, 01:25:59 PM »
Is $350 too much to gamble on being able to find a serial number, and then finding it to be what you are hoping for?

https://www.sirchie.com/master-number-restoration-kit.html
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KurtS

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Re: Acid etching engine block stamping numbers
« Reply #5 on: February 12, 2024, 02:34:52 AM »
Quote from: Jonesy on February 10, 2024, 02:04:59 AM
I dont think I have ever seen anyone have luck doing this.
Depends of the depth of the decking. There's a quote in that link from someone that was successful.
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Kurt S
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