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-   -   Shot peening engine block question (https://www.yenko.net/forum/showthread.php?t=148044)

SS427 02-05-2019 03:29 PM

I have tried Vinegar with varying degrees of success. Maybe I was not using it correctly as I was not that impressed with the results.

HawkX66 02-05-2019 05:19 PM

Quote:

Originally Posted by SS427 (Post 1433819)
I have tried Vinegar with varying degrees of success. Maybe I was not using it correctly as I was not that impressed with the results.

Interesting. I didn't do anything special. Highest acidity I could get my hands on and fill the tank. Slosh it around real well, let it sit. Empty and repeat until clean then rinse. When I say the tank was rusty, I've never seen one as bad as that one was.
Glad your block ended up coming out nice regardless of the process!

SS427 02-05-2019 06:48 PM

I just wish the deck with the stampings had been in better shape but I guess I will take it over not having it at all.

HawkX66 02-06-2019 09:59 AM

Quote:

Originally Posted by SS427 (Post 1433842)
I just wish the deck with the stampings had been in better shape but I guess I will take it over not having it at all.

Exactly. That's the best way to look at it. I know a lot of guys wish they had that for a problem.

Hawkeye 02-08-2019 05:29 PM

Did the shot blasting have any effect on the broach marks? If you had to do it over again would you have still covered the front pad?

Thanks,
Marty

frankk 02-08-2019 07:51 PM

Hawkeye where do you find the higher acidity vinegar? Have you used just the food store vinegar?

marxjunk 02-08-2019 07:57 PM

feed stores carry higher acidity..

grainger has 30%

walmart, tractor supply, amazon target etc list it as high acid, but like 10%

this place has it at 30%
https://www.factorydirectvinegar.com...ant=1846487555

i use it alot to do bolts and hardware in my tumbler with the green pyramid product

95% vinegar..5% dawn dish soap..+/-......(specifically dawn) and it does amazing things

frankk 02-08-2019 08:08 PM

Thank you sir

Hawkeye 02-08-2019 09:26 PM

Thank you for the vinegar information.


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