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928 block with no serial #

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Old 04-30-2009, 11:48 PM
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Abby Normal
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Default 928 block with no serial #
How common or rare is that??????
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Old 04-30-2009, 11:50 PM
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My first thought would not be how common or how rare, but how stolen.
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Old 04-30-2009, 11:53 PM
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Originally Posted by blown 87
My first thought would not be how common or how rare, but how stolen.
I got it from THE dismantler
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Old 04-30-2009, 11:56 PM
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we have a car with no number locally.
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Old 05-01-2009, 12:04 AM
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That's a replacement block supplied from the factory. I have one. (Hi, Colin!) It comes with the cylinders bored but they don't know in advance which heads and pistons are being put in it, so no model number is stamped.
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Old 05-01-2009, 12:34 AM
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seems pretty easy to just grind it off that portion of the block.

I had thought about doing this if i was going to put an early squirter block into something like a GTS. I wouldnt want those earlier M28/42 numbers on the GTS but not sure i would actually ever do it.
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Old 05-01-2009, 12:42 AM
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Originally Posted by GlenL
That's a replacement block supplied from the factory. I have one. (Hi, Colin!) It comes with the cylinders bored but they don't know in advance which heads and pistons are being put in it, so no model number is stamped.
It's studded so I am assuming it's an 85-86..
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Old 05-01-2009, 12:43 AM
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Originally Posted by ROG100
we have a car with no number locally.
Not the original motor, is it?
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Old 05-01-2009, 12:56 AM
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I've got one in my S4.
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Old 05-01-2009, 01:17 AM
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The motor that Glen has which is referanced to was obviously not ground down in that area.
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Old 05-01-2009, 07:22 AM
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Factory replacement blocks are usually marked with ATR stamping. If engine was complete there is engine number but if it was just bare block then there might not be any stamping at all or just engine type.



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Old 05-01-2009, 01:46 PM
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Originally Posted by Vilhuer
Factory replacement blocks are usually marked with ATR stamping. If engine was complete there is engine number but if it was just bare block then there might not be any stamping at all or just engine type.



Had no idea, good to know
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Old 05-01-2009, 02:33 PM
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Mine has no stamping, was replaced at about 56K miles thru/at a dealer. Was noted in service manual as "valve job" HAHA!!


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Old 05-01-2009, 02:44 PM
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Originally Posted by RyanPerrella
seems pretty easy to just grind it off that portion of the block.

I had thought about doing this if i was going to put an early squirter block into something like a GTS. I wouldnt want those earlier M28/42 numbers on the GTS but not sure i would actually ever do it.
Please a word to the wise. Do not EVER alter a vin or engine number. This can get you in all sorts of trouble. No I don't speak from experience but I have a customer who stamped his old engine number into a block that was blank and it was not good.
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Old 05-01-2009, 03:31 PM
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How could such a simple plan turn out not good?!? ;-)
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