dont undestand

Discussion in 'GM Powertrain' started by somonenew1994, Mar 26, 2010.

  1. somonenew1994

    somonenew1994 Member

    Alright now i tried dropping a 70s motor into my burb and after i got it running i blew up my raditor and than i lost my timing than i was told that the 70s block with my 97 heads and intake work work with the stem ports so i rebuilt my other motor and i dont know what is really different if somone could explain the differance the head gaskets are identical the only differance in the heads is tha 1 when the intake bolts with the 97 there are only 8 bolts 4 in front and 4 in back than the 2 the older intake had jad at least two in the middle any insight would be great to help me to have a better understanding thank you

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