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Author Topic: What about stamped block numbers?  (Read 2566 times)
Boston14
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« on: May 08, 2011, 07:46:43 PM »

Late last year (2010),  I rebuilt the engine for my car (1969 RS/SS 350 Convt.).  The block had to be bored .030 over and I had it hot tanked as part of the clean up process.  I rebuilt it back stock.    When I painted the engine, I put a piece of masking tape over the numbers pad.  After painting,  I removed the tape and everything looked good.  I bagged the engine and there it has sat on the engine stand for about 6 months.  I am still restoring the rest of the car, but had to take the bag off the engine to bolt on my newly acquired and rebuilt starter (1108420).  After installing the starter and brace, I was looking over the engine and noticed the numbers pad was covered in rust.  The weather has been really damp and rainy here in Kentucky.   Now here's the question;  What can I use to clean off the surface rust, and what should I use to protect it from rusting again.  Thanks.

boston14
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boston14

1969 RS/SS 350 Convertible
Dover White with Black Top and D90 stripe, Red Standard Interior
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« Reply #1 on: May 08, 2011, 07:55:01 PM »

Here is a product that might work. Take a look at the sequential test at the bottom of the page. You can also contact them to see what they recommend.

http://www.theruststore.com/Fluid-Film-8-oz-Brush-Can-P203C67.aspx
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firstgenaddict
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« Reply #2 on: May 09, 2011, 06:50:40 AM »

Use some safest rust remover then hit the pad with a thin coating of grease.
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James
Collectin' Camaro's since "Only Rednecks drove them"
 
Check out the Black 69 RS/Z28 45k mile Survivor and the Lemans Blue 69 Z 10D frame off...
https://picasaweb.google.com/112392262205377424364/1969_Z28_Restoration
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« Reply #3 on: May 09, 2011, 04:52:47 PM »

Since the rust hasn't been on for too long, an inexpensive way would be...club soda. Apply & let sit for 5 minutes then wipe clean. If you have problems, repeat and finish off with a stiff brush or steel wool.
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restore-z28
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« Reply #4 on: May 09, 2011, 07:39:10 PM »

Hey Marty, someone told me the club soda trick a few years ago for removing mild surface rust. I have never tired it myself, I always thought he was yanking my chain but I'm guessing it must really work. 
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Sonny

1969 Z28 Camaro
1970 Z28 Camaro

www.bccamaroclub.com
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« Reply #5 on: May 09, 2011, 08:02:51 PM »

I confess...neither have I. I googled home made rust removers and it showed up several times. It makes perfect sense though...the acid. Actually just about any soft drink would work as long as it hasn't been left open for an extended period of time. White vinegar was also mentioned several times.
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tmodel66
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« Reply #6 on: May 09, 2011, 08:08:23 PM »

What about naval jelly and some 4 aught steel wool
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Daniel  
'69 SS 350/4 speed  Fathom Green--POP
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« Reply #7 on: May 09, 2011, 08:23:50 PM »

White vinegar works too. May have to wet a rag and let it sit a while, will NOT hurt good metal.
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Doug  '67 RS/SS 396 auto I know the car since new
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« Reply #8 on: May 09, 2011, 08:45:18 PM »

Good info...thanks Doug.

Curious...after all this discussion, I take it the engine stamp was left unpainted from the factory?
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Boston14
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« Reply #9 on: May 10, 2011, 06:57:24 AM »

Thanks for the replies guys, I will clean up and grease the pad  it this weekend.  I should have known to protect it to begin with ............... another senior moment I guess ..................  Thanks again.

boston14
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boston14

1969 RS/SS 350 Convertible
Dover White with Black Top and D90 stripe, Red Standard Interior
JohnZ
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« Reply #10 on: May 10, 2011, 10:25:00 AM »

What about naval jelly and some 4 aught steel wool

I wouldn't use ANYTHING that's abrasive; preserving the nuances of the pad surface is important.
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JohnZ
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« Reply #11 on: May 10, 2011, 10:26:22 AM »

Curious...after all this discussion, I take it the engine stamp was left unpainted from the factory?

Yes, it was - it was covered with a piece of masking tape during engine painting.
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'69 Z/28
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« Reply #12 on: May 10, 2011, 11:22:39 AM »

Thank you John
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ChrisM
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« Reply #13 on: May 10, 2011, 10:22:24 PM »

This is sort of expensive, but it works as good as the website says.  I have used it before with incredible results.
http://www.rusteco.com/

 I'd use the gel on a stamp pad.  It won't harm metal or paint.

And no I do not have any connection or financial interest with the company or its owners. 
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