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Author Topic: Engine Assembly Stamps  (Read 5677 times)
baldeaglemtnman
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« on: February 10, 2007, 03:06:59 PM »

Does anybody know if the Flint assembly plant worked on Saturdays in the fall (Oct. ) of '68.   Or.....does anyone else have a motor with a Saturday date stamp?
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Steve

69 Z/28
RonM
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« Reply #1 on: February 10, 2007, 04:41:27 PM »

One of the heads on my engine has a casting date of July 6, 1968 which was a Saturday. Hope this helps, RonM.
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zzmike
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« Reply #2 on: February 10, 2007, 07:44:23 PM »

My P-O-P lists my 302 as being assembled on May, 11 which is a Saturday.  Unfortunatley, the actual assemly stamp on the engine is V05I4MO, which is a Tuesday, so I m afraid I am not much help.    Undecided
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1968 Crossram Z/28 Camaro
JohnZ
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« Reply #3 on: February 11, 2007, 02:26:51 PM »

The Saginaw Foundry worked just about every Saturday, and occasionally poured on Sundays (melt cupolas are never shut down except for refractory rebuild about once a year); Flint V-8 worked a lot of overtime - at least two Saturdays a month, sometimes more.
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'69 Z/28
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sam
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« Reply #4 on: February 11, 2007, 03:01:52 PM »

John, That is a great picture!  Thanks for sharing.  Sam
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1968RSZ28
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« Reply #5 on: February 11, 2007, 07:29:12 PM »

I agree, very cool photo!  What is happening in the photo?  Is this how an engine block is cast?   Roll Eyes

Paul
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baldeaglemtnman
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« Reply #6 on: February 11, 2007, 08:56:41 PM »

Ditto and once again thank you, John.  Always enjoy the history lessons and the information is appreciated more than you know!
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Steve

69 Z/28
JohnZ
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« Reply #7 on: February 12, 2007, 12:07:32 PM »

I agree, very cool photo!  What is happening in the photo?  Is this how an engine block is cast?   Roll Eyes

Paul

That's a ladle of molten grey iron being "inoculated" with magnesium alloy to create "nodular" iron, which is stronger, more ductile, and easier to machine than ordinary grey iron, used primarily for crankshafts, camshafts, and differential cases; it was shot in the late 80's at the Saginaw Nodular Iron Foundry just before it closed in the early 90's.

I wrote a complete photo-illustrated technical article on the entire Saginaw Grey Iron Foundry casting process in the February '07 issue of "Corvette Enthusiast" magazine (I'm the Technical Editor); back issues available at (800) 448-3611.
« Last Edit: February 12, 2007, 12:12:14 PM by JohnZ » Logged

'69 Z/28
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bigblknmbrs
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« Reply #8 on: March 01, 2007, 05:17:57 PM »

Tonawanda had a foundry on site and also worked Saturdays. The engine plant worked MANY Saturday's but there's now way to know now exactly which weeks they worked. Same goes for Flint. Unless someone kept personal records the exact weeks every plant worked overtime are gone. If a stamp said it was built on a Saturday I wouldn't doubt it for a minute.
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baldeaglemtnman
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« Reply #9 on: March 01, 2007, 05:42:21 PM »

I just wanted to make sure that a Saturday stamp was possible. Glad to hear that it was.
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Steve

69 Z/28
zbo2
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« Reply #10 on: March 01, 2007, 11:49:42 PM »

for some reason on this site i can not open any of the attached photos.......like the one JohnZ has here................any idea why?
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lakeholme
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« Reply #11 on: March 02, 2007, 10:43:21 AM »

It's not just you zbo2.  I've been having the same problem for about a week now.
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Phillip
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baldeaglemtnman
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« Reply #12 on: March 02, 2007, 11:24:13 AM »

Yesterday when I posted to this thread, John's picture was still there. Today it is gone   Huh  I've noticed on other threads that people are referring to pictures that aren't there.
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Steve

69 Z/28
JohnZ
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« Reply #13 on: March 02, 2007, 01:41:31 PM »

The photo I posted pops right up for me - I uploaded it direct to this site, using the "Additional Options" feature. In some cases where people have linked to a hosting site for a photo, if the hosting site is down or the image has been removed from the hosting site, you'll get a "red X" instead of the photo.
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click
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« Reply #14 on: March 02, 2007, 05:30:11 PM »

pic opens for me just fine, thanks for that one John Smiley
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Click is Jim , central Minn.  Moderator at Team Camaro www.camaros.net
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