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joanieshines
    
I have a 1962 Chevy Impala. We are trying to determine engine size and if it is the original
Engine casting ID # TO6IIHN 18D1(829?)78
posted: July 23, 2010
 
    
 
  Answers (1)
 
retiredpartsman
    
the T INDICATES TOWONGA NEW YORK .O611 IS DATE PRODUCED .HN INDICATES IT IS A 1969 350CID 300 HORSE ENGINE. DO NOTRECONIXE OTHER # POSIBLY CAST ON AUG 29 1978
sources: T AND HN HOLLANDER INTERCHANGE MANUAL 50TH EDITION
posted:  July 24, 2010
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