906 heads

Engine & Related

  1. Terry Hauck

    Terry Hauck Choadicus

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    I want to put headers on my car. I have the 906 heads. Do the exhaust manifold studs extend into the water jackets?
     
  2. Coyote

    Coyote Well-Known Member

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    Pretty sure all stock cast iron heads have water jacket bolt holes. Just spreading sweetness and light.:steering::beep:
     
  3. 69hemibeep

    69hemibeep Sponge Bob Square Wheels

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    Yes so use some sealant on the threads. Don't think its all of them so do a little probing with a small screw driver if you like
     
  4. Terry Hauck

    Terry Hauck Choadicus

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    Thanks. What would be the best sealant to use?
     
  5. 69hemibeep

    69hemibeep Sponge Bob Square Wheels

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    Ive used gray RTV without problems, others might chime in.
     
  6. Terry Hauck

    Terry Hauck Choadicus

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    Thinking about Dougs or TTI headers. What do you use? For a 383 with 906 heads.
     
  7. dmartin

    dmartin Well-Known Member

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    I use the old Teflon tape and my water jackets are all the way around
     

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