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Small block valve covers

Discussion in 'General Chevy & GM Tech Questions' started by Trex, Oct 3, 2011.

  1. Trex

    Trex New Member

    On the new GM small blocks the valve covers are very short, they look like they are only about one third as tall as the old tin covers on earlier motors, how is that possible, anyone know?
     
  2. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    The heads have more of a recession to them, so the valvetrain is lower down. Not to mention alot of the older valve covers had a ton of clearance and when the bean counters saw that they were spending $.02 more on metal they cut that out. alot of it has been done in the interest of space savings as well.
     
  3. Trex

    Trex New Member

    Thanks brother, I suspected that may be the case just wanted to find out.
     
  4. Boonduff

    Boonduff Member 3 Years 100 Posts

    The main reason they raised the valve cover lip was to help prevent leaks.
     

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