1973 Lesabre Rear End options

Discussion in 'A boatload of fun' started by C.Rob, Apr 8, 2019.

  1. C.Rob

    C.Rob Well-Known Member

    What rearend come in these cars? Im looking at a 73 coupe with a 350 and want to swap a 455 in. Also what about frame brakets. Please any help would be great.
  2. garyd

    garyd Well-Known Member

    ive got the 455 frame pads from a 73 455 electra i parted
    rear end, i do not know but im going to run one in my 73 out of a 75 i parted as it can fit a 12 bolt posi in it
  3. flynbuick

    flynbuick Super Moderator Staff Member

    73 LeSabre 350 had a GM 8.5

    73 LeSabre 455 has a post 1970 9 3/8"

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