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#1
09-29-2009, 12:45 AM
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Re: Engine block stampings
How many blocks were cast the day before, then, machined/stamped the next day while accidently stamping yesterdays date.
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 1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes 
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#2
09-29-2009, 01:12 AM
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Re: Engine block stampings
[ QUOTE ]
How many blocks were cast the day before, then, machined/stamped the next day while accidently stamping yesterdays date. [/ QUOTE ] That statement is very probable and could have more truth to it than we'll ever know!.  ~ Pete
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I like real cars best...especially the REAL real ones!
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#3
09-29-2009, 02:01 AM
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Re: Engine block stampings
If the motor plants messed up that bad, there should be documented Tonawanda assemblies with the block cast date after the engine build date! Has anyone ever heard of that? I know that at the foundry the pattern shop inspected the patterns and changed the cast date tags every night. Before the first shift started production, the mold machine operator and supervisor had to check/verify the date tag. We were pretty faithful about checking date tags and clock shift screws because it was the only way that off chemistry cases could be segregated. If the inspection department didn't see the correct date/time on castings in the finishing department, they would quarintine the entire questionable batch. We weren't complete idiots - remember, we made supercars that are still around today! I'm not sure about the motor plant checking mechanism - but I know that everyone was sensitive to date codes and if a mistake was noted - we had to quaranteen and, if necessary, restamp. I guess the bottom line is, that we can assume that Chevrolet employees screwed up, but when you have to start coming up with unusual explanations - potentiel buyers get scared.
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#4
09-29-2009, 02:23 AM
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Re: Engine block stampings
It was just another possible scenario. But we must remember, we are all human and mistakes are/were made.
I recently saw a '69 Camaro 396 block in which the 3rd number was a 5 and it should have been a 6. It was confirmed with a email from Kurt Sonen as he new of a block that had the same problem and both VIN's were very close. Kurt
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1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#6
09-29-2009, 05:33 AM
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Re: Engine block stampings
"new"
 Sorry...I did not catch that in time. Proofreading is something I need to do more often. 
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#7
09-29-2009, 08:27 AM
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Re: Engine block stampings
I have a late 1968 dated DZ short block with very low miles. The motor has the correct assembley stampings on the pad, but no VIN # anywhere on the block. Not even the slightest hint of a VIN # on the pad or by the oil filter. The short block has never been decked or even disassembled. Is it common to have a car motor without a VIN #? Where else could this short block came from?
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