455 vacuum

Discussion in 'Street/strip 400/430/455' started by IDOXLR8, Sep 1, 2003.

  1. IDOXLR8

    IDOXLR8 Senior Member

    What would you think the vacuum should read at idle on a stock 455 for 1972. IDOXLR8
     
  2. Smartin

    Smartin Guest

    if you're within 15-20 inches, then you're A ok:TU:
     
  3. IDOXLR8

    IDOXLR8 Senior Member

    Adam, thanks. I saw around 11-12 on my 455 and thought that is a little lower then I thought it should be. AL
     

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