IH Vacuum system Scout 80

Discussion in 'International/Scout' started by Greg3116, Apr 15, 2018.

  1. Greg3116

    Greg3116

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    New member and first post. 1964 Scout 80 4 cyl 152ci. I don’t understand the assembly with the Tee on the intake manifold the bottom has a brass piece with a hose going to the crankcase and the top of tee has hose which goes to the fuel pump. This pulls a vacuum on both. What is the purpose? What is the brass piece on bottom of tee?
    Why pull vacuum on crankcase, I thought you should have positive pressure in crankcase. Please help!
    Thanks much.
     
  2. Big Ed

    Big Ed

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    Pictures?

    Maybe I can look at my sons Scout 80 for you.
     
  3. Greg3116

    Greg3116

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    Any help is appreciated.
     
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