928 block with no serial #
#3
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we have a car with no number locally.
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Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission?
George Layton March 2014
928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."![thumbsup](https://rennlist.com/forums/graemlins/bigok.gif)
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Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission?
![thumbsup](https://rennlist.com/forums/graemlins/bigok.gif)
928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
![thumbsup](https://rennlist.com/forums/graemlins/bigok.gif)
#5
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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.
#6
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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.
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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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.
![](http://members.rennlist.com/vilhuer/HPIM4956.jpg)
![](http://members.rennlist.com/vilhuer/HPIM4956.jpg)
![](http://members.rennlist.com/vilhuer/M28.42%20ATR.jpg)
#12
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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.
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.