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Hot Rods Hemi Help

Discussion in 'The Hokey Ass Message Board' started by Ball and Chain, Dec 29, 2010.

  1. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    I have a hemi in a hot rod with an aftermarket intake and there are 2 fittings in the block. I don't have the motor in the stock car, so i was wondering if anyone can tell me what they are for and can I just plug them? The ports are circled in green.

    Thanks Kevin

    picture is not my actual motor, picture borrowed from Vorhese
     

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  2. I'm thinking water temp sensor goes to one of them, pic's to small or detailed to see the other one.
     
  3. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    one of them is like 3/4 the other is like 3/8 my motor came with 90 degree pipes coming out of both.
     
  4. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    bttt ... better pic
     

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    Last edited: Dec 30, 2010
  5. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

  6. man-a-fre
    Joined: Apr 13, 2005
    Posts: 1,311

    man-a-fre
    Member

    Thermostat bypass hose,and heater hose fittings im thinking.
     
  7. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    the thermostat bypass is the port to the left i believe
     
  8. 32fivewindow
    Joined: Mar 22, 2008
    Posts: 226

    32fivewindow
    Member
    from USA!

    On my 331, the middle is plugged, and the one on the left went to the heater.
     
  9. What MAN-A-FRE said. The top one is the thermostat bypass, and the other is for the heater...
     
  10. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    Whats is the third one? In a hot rod, i only need the bybass that 90's to the water outlet and thats it right?
     
  11. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,383

    scootermcrad
    Member

    Found these in an a Google search. Maybe they'll help...

    Pretty much just confirms what has been said.

    [​IMG]

    [​IMG]

    [​IMG]
     
  12. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    That answered most my questions. I'm going to run my 90 degree of the water outlet as my bybass. I'm going to run two hoses from my intake to my remote thermostat. I can see from the pics that one hose goes directly to the heater, so I don't need that. So my last question is, do I still need to run the third fitting to the back intake port like in the second picture???
     
  13. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,383

    scootermcrad
    Member

    Maybe I missed it, but what aftermarket intake are you running?? If it's not a "WET" intake, like the one in the picture, it would probably be best to use the water fittings (one on either side) and run your hoses to the front. Could use the front or the rear, depending on the intake you're using. Bottom line is, you need to exchange water from head to head. Only way it can do that is either with a "WET" manifold, a remote thermostat with hoses from both heads/intake sides, or by a cast water cross-over (not available for your application).

    Brian Bass did something similar on his 331 Chrysler with a 4x2. It would be comparable to what you have planned.

    [​IMG]
     
  14. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    I have a 4x2 (4 2 bbls) Weiand, So as long as I run one hose from each head to my remote thermostat, I'm good to go and I can plug everything else, Cool!
     

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