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how to ID sbc displacement

Discussion in 'The Garage' started by gravdigr, Apr 8, 2004.

  1. gravdigr

    gravdigr 1/2 ton status

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    I'm looking at a blazer to buy and the seller doesn't know the engine displacement just that it's a V8. Is there any way to tell externally from the engine? It's in an 86 blazer.
     
  2. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    if its stock then is most likely a 305.

    under the alternator is the stamping codes. the last 2 or 3 letters tells you what it is and what year. take those letters and match them up here
     
  3. Muddytazz

    Muddytazz 1 ton status

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  4. wayne

    wayne 3/4 ton status

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    Also look on the radiator support for the sticker.
     

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