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Hot Rods Ardun head question

Discussion in 'The Hokey Ass Message Board' started by Rusty O'Toole, Jul 4, 2020.

  1. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,163

    Rusty O'Toole

    One thing about Ardun heads I could never figure out is, how did they seal the valve relief area? Did they weld the block and machine it flat or what? I know the pushrods came up through the old valve guide area so they could not just seal off the whole thing.
  2. Pete1
    Joined: Aug 23, 2004
    Posts: 1,764

    from Wa.

    After 42 the blocks were not releived. No problems. In later years the block was usually O-ringed to help seal the gasket..
    Desoto291Hemi likes this.
  3. krylon32
    Joined: Jan 29, 2006
    Posts: 6,282

    Alliance Vendor
    from Nebraska

    The Ardun heads will not work with a relieved block.
  4. deucendude
    Joined: Oct 31, 2008
    Posts: 569

    from norcal

    aug 17 2015_20180505_171749Georgetown hill .JPG They are right!
    KiWinUS, mgtstumpy, Dean Lowe and 2 others like this.
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