View Single Post
  #1  
Old 10-30-2010, 11:50 PM
Mark Simiele's Avatar
Mark Simiele Mark Simiele is offline
Ultimate Warrior
 
Join Date: Nov 2004
Location: Fairfield County, CT
Posts: 1,982
Default Engine block numbers...

The current engine block in my 67 Bonneville is a 1968 and was curious to see if its even a 428 but it was hard to get the numbers. I did manage to find a YH code with the last 6 of the former cars vin 177647 and on the heads I saw what appeared to be DN and the casting number on the intake was 9786286. I also saw KO76 on the intake.

Any ideas what all this is? I never had a problem id'ing 69 and 70 GTO underhood stuff but this one has me confused. The plan is to eventually find a date coded 67 block or better yet a correct SR block but I would like to know what is sitting under there now.

__________________
69 GTO convertible Warwick blue w/parchment, 400 4bbl auto trans, #'s matching, frame off resto w/ 36 options and more coming.

67 Bonneville 428 convertible one of one Verdoro green w/parchment, documented GM brass hat parade car with every option for 67, non running MAJOR future project.