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alternative heater in hot rod questions?

Discussion in 'The Hokey Ass Message Board' started by DLW, Dec 22, 2009.

  1. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    I have been think of a way to put a heater without the heater lines coming off the water pump. The question is would a oil cooler with a fan provide a little heat. I have thought that I am already running a remote filter under the body and jegs has the little oil cooler radiators with a fan for fairly reasonable. The car is a chopped model a with a big hemi. I could mount it up under the dash out of sight, with a switch on the fan. Is there a reason this should not work or be a good idea?
     

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  2. hotrod-Linkin
    Joined: Feb 7, 2007
    Posts: 3,382

    hotrod-Linkin
    Member

    it will be hot all the time if you don't isolate it in a box of some kind.
     
  3. Retro Jim
    Joined: May 27, 2007
    Posts: 3,853

    Retro Jim
    Member

    Heat exchangers on the exhaust manifolds .
    Been around forever !

    RetroJim
     
  4. dmarv
    Joined: Oct 10, 2005
    Posts: 977

    dmarv
    Alliance Vendor
    from Exeter, CA

    You would need some sort of flow control so that oil is not always going through the cooler. It would also need to be plumbed so that the oil flow through the cooler is not critical to engine operation.

    Dan Marvin, Owner
    Exeter Auto Supply
     
  5. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    the exhaust manifold would probably not work because they are custom headers.

    When you say it would be hot all the time could you put a valve of some sort in line. Doesn't a traditional heater have hot coolant running through it all the time? could you pull the lines in summer?
     
  6. hotrod-Linkin
    Joined: Feb 7, 2007
    Posts: 3,382

    hotrod-Linkin
    Member

    yes,it's boxed to keep heat out and hot air is vented to the out side.. if you have oil running all the time,it will eventually burn you out of the cab.
     
  7. the-rodster
    Joined: Jul 2, 2003
    Posts: 6,960

    the-rodster
    Member

    Is the intake wet? You could come off the back of it, and then back to the radiator.

    You would still have lines, just not to the pump.

    Rich
     
  8. dmarv
    Joined: Oct 10, 2005
    Posts: 977

    dmarv
    Alliance Vendor
    from Exeter, CA

    There are heater core designs that have coolant always running through them. That design has a heater box that seals the heater core from the interior compartment. When heat is needed, the heater box has a door that controls the amount of air flow to the interior. They also have a seperate door for AC and/or fresh air to mix with the heated air to control temperature. First generation Mustangs and Cougars had this type of heater.
     
  9. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    I understand the box but old car heaters that I have seen do not have a vent to the outside. They are just a sheetmetal box with a coolant radiator/heater core and a fan. A friend has a f1 truck with a heater and from what I understand is that it has a valve to shut off coolant during warm months.

    What do you mean by flow control and not being critical to engine operation. Oil coolers are to my understanding helpful by removing heat from the oil and plumbed inline to take away heat from the engine oil. They do make a inline thermostat to control the amount of heat and bypass the oil past the cooler.
     

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  10. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    intake is not wet and dont want visible lines. It is however a hemi and i was thinking that it might be a possibility to come off the back of one head and into the back of the other. The 392 hemi has ports for a crossover on the front and back of the heads. I dont know if the flow would work. I kind of liked the idea of the oil cooler heater but if anyone knows if this will work off the back of the heads please let me know.
     
  11. Dad used a piece of wood with a bunch of holes drilled in it to take candles. But that may be a bit too 'old school' for what you are doing. :)

    Cosmo
     
  12. J'st Wandering
    Joined: Jan 28, 2004
    Posts: 1,772

    J'st Wandering
    Member

    An oil heater would take longer than the coolant heater to get any heat from it. I think that coolant heaters are too slow.

    Something pulling heat off the exhaust would be quick. Put a box around the exhaust and pull air through it.

    Neal
     
  13. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    i do like the candle idea but i would probably catch myself on fire.

    I understand the exhaust but it cant be done and the exhaust is to nice to box or mess with.

    This needs to be clean and if at all possible not visible.

    I have looked at an old f1 truck box heater and it is simple in operation, box and a fan. i just wanted to know why you could or could not use engine oil instead of water/coolant. Also has this been done.
     
  14. crackerass54
    Joined: Jun 1, 2009
    Posts: 364

    crackerass54
    Member
    from dallas

    it would work, but I think the noise would drive me nuts, I have the same setup for my tranny and you can hear it running over the engine(straight pipes), I think scouting out a little oem unit from something, and go that route, then you would have speed control. mixing,etc.
     
  15. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    i do know they are load. maybe an oem would be better, there are a lot of cool vintage box heaters. does anyone know if you could route the coolant out of the back of one head and back in the back of the other?
     
  16. Da Tinman
    Joined: Dec 29, 2005
    Posts: 4,222

    Da Tinman
    Member

    probably not, they both heads are under the same operating pressure, wouldnt move much water that way.
     
  17. hotrod-Linkin
    Joined: Feb 7, 2007
    Posts: 3,382

    hotrod-Linkin
    Member

    as long as you use a pressure inlet and a non pressure return outlet.
    to hide the lines i would hard line the heater outlets from the pump ,under the engine along the frme rails into the cab. that way it's not on top looking fugly.
     
  18. stude_trucks
    Joined: Sep 13, 2007
    Posts: 4,752

    stude_trucks
    Member

    Why do you need a heater? It's not even that cold out.
     
  19. hotrod-Linkin
    Joined: Feb 7, 2007
    Posts: 3,382

    hotrod-Linkin
    Member

    it's cold in kc.i've heard.
     
  20. Speedwagen
    Joined: Aug 3, 2006
    Posts: 753

    Speedwagen
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    Last edited: Dec 22, 2009
  21. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    the car is going to be very nice and i would like to have a heater but not at the expense of it changing the look. Brian Bass is building it and I just wanted to see if there was a way to have heat that wouldnt ruin the look. It gets cold up here in Missouri. It was down to running coolant out and in the back of the heads or hooking something up with engine oil/cooler. I may just need to wear a heavier coat but really like to drive and wouldnt mind a little heat.

    does a traditional heater have to have coolant flowing through the core or would it heat up just being apart of the coolant system?
     
  22. hotrod-Linkin
    Joined: Feb 7, 2007
    Posts: 3,382

    hotrod-Linkin
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  23. davidwilson
    Joined: Oct 8, 2008
    Posts: 595

    davidwilson
    Member
    from Tennessee

    check into electric ceramic boat/plane heaters - they're 12 volt
     
  24. dmarv
    Joined: Oct 10, 2005
    Posts: 977

    dmarv
    Alliance Vendor
    from Exeter, CA

    You are correct regarding early heater designs. My Model A has such a heater.

     
  25. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    electric heater would be fine, i have heard they dont work. has any one used one? would be a simple solution.
     
  26. hotrod-Linkin
    Joined: Feb 7, 2007
    Posts: 3,382

    hotrod-Linkin
    Member

    i had one in my 30 chevy. it's useless for a defogger but it kept my ass from freezing.
     
  27. Adam.Perrault
    Joined: Nov 10, 2009
    Posts: 124

    Adam.Perrault
    Member
    from Phoenix AZ

    if you are looking to stay warm you could run those electric seat heaters. they would do nothing to defrost the windows but it would keep you warm. and they take up no space and are hidden. there are lots of different suppliers for them.
    We might even sell them.
     
  28. DLW
    Joined: Nov 2, 2005
    Posts: 197

    DLW
    Member

    so going back to traditional heater would this work inlet off of the back of one head and return into the back of the other head. hemi has crossover in the front and back and im running a crossover in front. Would it not flow and create a cool spot of coolant or will it absorb heat from the rest of the system? If the flow wasn't enough could you run an inline pump? This way it would look nice and could route a defrost. the images are just of one heater i found that sold a while back.
     

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  29. Ebbsspeed
    Joined: Nov 11, 2005
    Posts: 6,458

    Ebbsspeed
    ALLIANCE MEMBER

    But an inline oil thermostat would basically do the opposite of what you want. In the summer, when you don't want heat in the car is when the engine oil will likely be hotter and the thermostat will direct it through the cooler. On days like Christmas is going to be here in KC (high of 14 degrees F) your oil probably isn't going to get very hot, so the thermostat won't direct any oil through the cooler. So I wouldn't spend any money on an oil-based solution.

    The electric/ceramic heaters work OK for "spot" heating , but draw a lot of current and really won't do much to heat up the car, just take a bit of the chill away.

    Your best bet is plumbing into the engine coolant, that's where the most heat is available, and the easiest to control through a valve.
     
  30. revkev6
    Joined: Jun 13, 2006
    Posts: 3,350

    revkev6
    Member
    from ma

    DLW, you're running a chopped model a coupe with a HEMI, just pull the firewall insulation when it gets cool....

    I know I can feel the heat off my flatty in my 28 roadster on cool nights, if I had a roof I'm sure it would be pretty toasty.
     

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