nailhead casting number ?

Discussion in 'Classic Buicks' started by drifter336, Oct 10, 2003.

  1. drifter336

    drifter336 New Member

    I have a 1963 lesabre and need to find out the engine specs and size. It is a nailhead but I cant find anywhere that can show me what the engine code means.The code is JS 688 located on the front of the motor near the intake manifold.Thanks for any help
     
    drifter336, Oct 10, 2003
    #1
  2. txgwildcat

    txgwildcat Guest

    265 hp 401 = 63 JS
     
    txgwildcat, Oct 10, 2003
    #2
  3. drifter336

    drifter336 New Member

    reply

    thanks for the help
     
    drifter336, Oct 10, 2003
    #3
  4. txgwildcat

    txgwildcat Guest

    If you want to upgrade to a 4v intake. I have a complete setup for a '63, $200. Includes intake, carb, air cleaner and heat riser tubes.
     
    txgwildcat, Oct 11, 2003
    #4

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