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#21
02-27-2007, 07:45 PM
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Re: engine stamp painting
Not painted, as all have noted... Tonawanda assembly stamped in NY, Serial numbers stamped at final assembly plant of car!
Mike Crown 
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#22
02-27-2007, 07:47 PM
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Re: engine stamp painting
[ QUOTE ]
The engine plant stamp was done on big-blocks BEFORE the heads went on, and AFTER the heads went on on small-blocks.  [/ QUOTE ] That's an important factoid!! 
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#23
02-27-2007, 11:16 PM
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Re: engine stamp painting
[ QUOTE ]
The engine plant stamp was done on big-blocks BEFORE the heads went on, and AFTER the heads went on on small-blocks. [/ QUOTE ] That would explain a big-block stamping in this location: 
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1969 Chevelle SS396 L78 M22 4:10 Tuxedo Black 1970 LS3 Malibu 400 BB convertible 1970 LS3 Malibu 400 BB coupe 1970 Chevelle 300 series LS3 400 BB coupe, special order Monaco Orange 1970 Chevelle Concours Estate LS3 400 BB wagon 1970 Chevelle SS396 L78 M21 3:55 Tuxedo Black
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#24
02-28-2007, 02:02 AM
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Re: engine stamp painting
Yep and why the SB stamps are at the leading edge of the pad...
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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#25
02-28-2007, 03:56 PM
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Re: engine stamp painting
[ QUOTE ]
[ QUOTE ] The engine plant stamp was done on big-blocks BEFORE the heads went on, and AFTER the heads went on on small-blocks. [/ QUOTE ] That would explain a big-block stamping in this location: [/ QUOTE ] That explains the location of the pictured pad stamp, but the stamping itself, and broach marks, looks a little fishy.
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Rick 69 Chevelle SS396 Silver L78 M21 Post Sedan (Berger Chev.) 69 Chevelle SS396 Black L78 4-speed 4.10 Post Sedan  Don't text and drive. Somebody's life may depend on it!
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#26
02-28-2007, 10:44 PM
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Re: engine stamp painting
[ QUOTE ]
That explains the location of the pictured pad stamp, but the stamping itself, and broach marks, looks a little fishy. [/ QUOTE ] I agree, Rick. I quickly lifted the photo from a current ebay auction, and after studying the stamping some more it does look suspect. 
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1969 Chevelle SS396 L78 M22 4:10 Tuxedo Black 1970 LS3 Malibu 400 BB convertible 1970 LS3 Malibu 400 BB coupe 1970 Chevelle 300 series LS3 400 BB coupe, special order Monaco Orange 1970 Chevelle Concours Estate LS3 400 BB wagon 1970 Chevelle SS396 L78 M21 3:55 Tuxedo Black
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#27
03-01-2007, 06:19 PM
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Re: engine stamp painting
That pad is a great example......of a fake.
Dave
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#28
03-16-2007, 04:05 AM
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Re: engine stamp painting
When the BB block was scheduled at the beginning of the assembly line, at the bore air-gage station, its suffix code was scrawled on the side of the block - that's what everyone looked at as it came down the line to tell them what components to install, and that's what the pad stamp operator looked at to select the correct date/suffix gang-stamp holder. The heads went on after the pad was stamped.
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'69 Z/28 Fathom Green CRG
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