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Old 09-29-2009, 07:27 AM
turbojet427 turbojet427 is offline
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Default 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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Old 09-30-2009, 07:15 AM
Kurt S Kurt S is offline
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Default Re: Engine block stampings

It was the job of the setup man to change all the gang stamps at the start of the shift.
I worked in several component plants and changing the date was just part of the routine and it always happened...
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Old 10-01-2009, 03:10 AM
turbojet427 turbojet427 is offline
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Default Re: Engine block stampings

The block has the casting date, suffix code, and assembly date, but no VIN #. Would a crate motor than still have a DZ suffix code?
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Old 10-01-2009, 04:45 AM
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x77-69z28 x77-69z28 is offline
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Default Re: Engine block stampings

IT WOULD NOT. it would be a "CE" block
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Old 10-01-2009, 05:20 AM
turbojet427 turbojet427 is offline
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Default Re: Engine block stampings

Thats what I thought. I have a CE L-78 motor. I'll have to take some paint off and get a closer look by the oil filter and look for traces of a VIN #.
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Old 10-01-2009, 05:23 AM
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Default Re: Engine block stampings

Sometimes the VIN# is very, very hard to make out. Make sure that you remove all of the paint and take a picture of the stamp area with a good camera. Crop the picture and blow it up as big as possible. I had to do this with my Pace Car #272 block. I could just make out partial impressions of enough of the charactors to verify the vin.
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Old 10-01-2009, 06:16 PM
JRSully JRSully is offline
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Default Re: Engine block stampings

A CE L78 block won't have a specific vehicle VIN stamp on it, just an assembly date and or serial #
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Old 10-01-2009, 07:04 PM
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Default Re: Engine block stampings

[ QUOTE ]
Sometimes the VIN# is very, very hard to make out. Make sure that you remove all of the paint and take a picture of the stamp area with a good camera. Crop the picture and blow it up as big as possible. I had to do this with my Pace Car #272 block. I could just make out partial impressions of enough of the charactors to verify the vin.

[/ QUOTE ]

So are you saying that CE blocks have the VIN stamped on them??
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Old 10-01-2009, 08:12 PM
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PeteLeathersac PeteLeathersac is offline
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Default Re: Engine block stampings

Not specific to any engine applications in particular but depending on what GM had on hand the over the counter and/or warranty replacement engines were sometimes supplied in CE or suffixed applications..
Consider the genuine Suffixed but non Vin stamped Corvette blocks/engines that are floating around as an example..

On CE's w/ Vin stamps, not that they often/ever did it but wasn't the General's policy instructions to the dealer installing a warranty unit to stamp the Vin into the replacement unit?.


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