Nuts and bolts

Discussion in '1955-1959' started by achansen22, Jun 14, 2013.

  1. achansen22

    achansen22 Member

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    May 17, 2013
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    Why not use nut and bolt between exhaust manifold and flange?
    andy
     
    achansen22, Jun 14, 2013
    #1
  2. vwnate1

    vwnate1 Member

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    Jan 1, 2000
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    Exhaust Flange Fasteners

    It's because the thermal expansion will cause bolts to loosen up and cause leaks .

    Strange but true .

    The correct exhaust flange nuts , are 2" long brass , not regular nuts like most folks use .

    Same reason .

    No split lock washers either .
     
    vwnate1, Jun 15, 2013
    #2
  3. achansen22

    achansen22 Member

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    thanks...andy
     
    achansen22, Jun 15, 2013
    #3

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