decoding engine block

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• June 24, 2012 09:09 PM - 791 Views
  GeneF
  General Discussions
  Casting GM 397001 Front right pad of block is stamped: V12I9CMA The previous owner said that the frame is out of a 73 Nova. Who knows if the engine is out of the same car, but one day I'll need an engine part.... Alternator is on the passenger side. What year did they move it? He said it's a 327, and I asked "327 punched out to a 350", and he said no it's a 327. I'll say this, the thing runs strong!

   

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  • Newest Post: June 27, 2012 09:50 PM

   

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• Comments
• Bill33 Rides Info - victoria, Canada Charter Member since December 2003
  June 24, 2012 09:24 PM
  

  Any chance you've got a typo there?  Could it be 397010?

   
• Indian113 Rides Info - monroe, Iowa
  June 24, 2012 10:51 PM
  

  The difference between  a 327 and a 350 is the stroke. Both of them have a 4 inch bore,327 has a shorter stroke crank. A large journal crank block can be either of them

   
• Italianguy63 Rides Info - bartow, Florida
  June 25, 2012 04:04 AM
  Speed is a matter of money... How fast do you want to go? (Mad Max)
  

  Yes, probaly 3970010, '68 to '79, 327 or 350,  2 or 4 bolt mains, Truck & HiPerf,  145 to 375 HP.  Sounds like a good one.  327's make great power!  MC

   
• coupe32 Rides Info - nuremberg, Pennsylvannia
  June 25, 2012 05:29 AM
  

  If it was a 4 bolt main then it wasnt a 327 

   
• Italianguy63 Rides Info - bartow, Florida
  June 25, 2012 11:16 AM
  Speed is a matter of money... How fast do you want to go? (Mad Max)
  

  Not OEM anyway.  You can make a large-journal 4-bolt 327, but they didn't come from the factory that way.

   
• Indian113 Rides Info - monroe, Iowa
  June 25, 2012 04:54 PM
  

  I thought the DZ302 had 4 bolt mains!

  That was a 327 with a short crank wasn't it?

   
• Italianguy63 Rides Info - bartow, Florida
  June 25, 2012 05:03 PM
  Speed is a matter of money... How fast do you want to go? (Mad Max)
  

  It was a "302" Indian!! 

   
• coupe32 Rides Info - nuremberg, Pennsylvannia
  June 25, 2012 07:51 PM
  

  I still have my orignal 327 in my 1968  corvette, which is going back together slowly after that accident we had 2 yrs ago

   
• Indian113 Rides Info - monroe, Iowa
  June 25, 2012 08:03 PM
  

  Anybody got a small journal 327 crank that's not as bad as mine! Mine is .030 under already and it has some scoring on it.

   
• Italianguy63 Rides Info - bartow, Florida
  June 26, 2012 04:13 AM
  Speed is a matter of money... How fast do you want to go? (Mad Max)
  

  Yeah, talking about the "old days."  My first V8 was a small journal 327 I rebuilt and put in my '68 Chevelle.  It was from a '64 Impala SS.  Had "power-pack" heads, and cost me all of $40 at the junk yard.  That was one of the best mills I ever had.  MC

   
• GeneF Rides Info - pickerington, Ohio
  June 27, 2012 08:53 PM
  

  Sure it could be a typo.

   
• DavyJ Rides Info - niagara falls, Canada
  June 27, 2012 09:50 PM
  Living life at a hundred smiles per hour!
  

  V1219CMA

   

  V =  Flint engine plant

  12 =  December

  19 =  19th day

  CMA = 1974 350 Turbo hydro trans 2 bbl  nova

  http://www.nastyz28.com/sbchevy/sblock.php

   

  hope this helps

   
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