1997 STS N* connecting rod stamped number
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Northstar Engines and System Technical Discussion Discussion, 1997 STS N* connecting rod stamped number in Cadillac Engine Technical Discussion; I am rebuilding a N* out of a 1997 STS. One of the connecting rods is bad and I bought ...
  1. #1
    ToMuchWork is offline Cadillac Owners Member
    Automobile(s): 97 sts
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    1997 STS N* connecting rod stamped number

    I am rebuilding a N* out of a 1997 STS. One of the connecting rods is bad and I bought another piston/rod assembly off of Ebay. They look to be the same but the numbers stamped on the connecting rods is different. The ones out of the N* motor have 474/475 stamped on them and the one I bought has 426/427 stamped on it. Anyone know what this number means? Will the one I bought off Ebay work? Pics are attached. Any help is very much appreciated.

    Thanks,

    Kevin
    Attached Images

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  3. #2
    ToMuchWork is offline Cadillac Owners Member
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    Re: 1997 STS N* connecting rod stamped number

    Anybody???

  4. #3
    ternstes is offline Cadillac Owners Fanatic
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    Re: 1997 STS N* connecting rod stamped number

    I wish I could help, but I do not have any pictures of my connecting rods from my disassembly. Rods from a 96-99 should be all the same.

  5. #4
    CadillacLuke24's Avatar
    CadillacLuke24 is offline Cadillac Owners Connoisseur
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    Re: 1997 STS N* connecting rod stamped number

    Contact Jake at Northstar Performance. He'd be the guy to ask.

  6. #5
    johnny kannapo's Avatar
    johnny kannapo is offline Cadillac Owners Connoisseur
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    Re: 1997 STS N* connecting rod stamped number

    Usually casting numbers are time/date production identification & that would be the only difference for the different year model groups.

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