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    Results 21 to 27 of 27
    1. #21
      Join Date
      Apr 2001
      Location
      Central CA USA
      Posts
      6,108
      Country Flag: United States
      I got some large head bolts from Summit Racing, I think they were Mr Gasket. The first set with small heads were Raetech brand on a new Eaton Positraction install.

      67 Camaro RS that will be faster than anything Mary owns.


    2. #22
      Join Date
      Aug 2004
      Location
      North Carolina
      Posts
      277
      Country Flag: United States
      Is there any reason someone couldnt just use grade 8 bolts with hardened washer's?
      1969 Chevy Camaro
      D&D T-56, 04 LQ4

    3. #23
      Join Date
      Aug 2005
      Location
      Hamilton, NJ
      Posts
      4,291
      Country Flag: United States
      LH thread?
      Scott from NJ.

      Vent Windows Forever! ...

      Feather-light suspension, Konis just couldn't hold
      I'm so glad I took a look inside your showroom doors

    4. #24
      Join Date
      Aug 2004
      Location
      North Carolina
      Posts
      277
      Country Flag: United States
      Looking at them in the McMaster-Carr catalog right now.....
      1969 Chevy Camaro
      D&D T-56, 04 LQ4

    5. #25
      Join Date
      Apr 2001
      Location
      Central CA USA
      Posts
      6,108
      Country Flag: United States
      What size heads? 5/8" is a standard head for a 7/16" bolt, you need larger.
      67 Camaro RS that will be faster than anything Mary owns.

    6. #26
      Join Date
      Aug 2004
      Location
      North Carolina
      Posts
      277
      Country Flag: United States
      Gotta check again, tomorrow at work. I'll let you know.

      Curious, whats the theory behind the actual head size?
      1969 Chevy Camaro
      D&D T-56, 04 LQ4

    7. #27
      Join Date
      Apr 2001
      Location
      Central CA USA
      Posts
      6,108
      Country Flag: United States
      Look at the under head seat area of a 7/16" bolt with 5/8" head. It's .060" wide. Under use it will embed into the cast iron carrier & come loose, Locktite won't help. Larger head has more seating surface, or use a hardened steel washer, but be careful about bolt length if the washer is thick.
      67 Camaro RS that will be faster than anything Mary owns.

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