What sizes are the heater hose and vacuum lines

Discussion in 'Technical' started by redfivexw, Oct 11, 2020.

  1. redfivexw

    redfivexw Member

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    I have a 74, it has a 200 in. six. Wondering If anyone knows offhand what size the heater hose and vacuum lines are as I’d like to replace them. I’ll probably just cut a section off and match it up, but if anybody knew off the top of their head it would be helpful.
     

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  2. dyent

    dyent Member

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    1973 Comet 2 dr., 302 w/AR aluminum heads, Toploader 4 spd, 9" Trac-Lok w/3.70
    Heater hose is 5/8"ID...........
    David
     
  3. Krazy Comet

    Krazy Comet Tom

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    Heater hoses should be 5/8", vac will vary depending on usage.

    Unless that PCV hose has a definite problem, leave it alone. Preformed hoses are specific to application and mostly discontinued.
     
  4. redfivexw

    redfivexw Member

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    The hoses are almost 50 years old, figured it was time . There are no issues with them though
     

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