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Thread: Adding electric fans to antique car

  1. #1

    Adding electric fans to antique car

    Hello all,

    I have a '71 Pontiac station wagon. A while back I sent my POA to be reconfigured for 134, changed to a parallel flow condenser and added a Pro 6 Ten compressor. The car would run hot (455 bored .60 may be the problem) when the A/C was turned on, but never ran hot otherwise. I would like to change the mechanical fan on the engine to an electric puller fan. I'll make my own shroud. I believe the correct operation of this fan should be that it comes on only when a particular temperature has been reached. I would also like to add a pusher fan in front of the rad/condenser. I believe the operation of this fan should be that it comes on any time the A/C is turned on. This car, of course, has no computer.

    Is my assessment of when and how the fans should operate correct? I am unaware of how to wire and make this setup operational and would appreciate instruction. Here is a small picture to help visualize my desired physical setup.

    Thank you,
    Brandon

    Attached Images Attached Images

  2. #2
    Join Date
    Apr 2011
    Posts
    534
    Brandon, I think if you use the stock clutch fan a shroud and the one fan (pusher) you would be fine
    garageinsider@gmail.com

    CAR BUILDER/ CHASSIS FABRICATION/ BIKES
    LASER CUT BRACKETS/ AIRPORT INVESTIGATOR

  3. #3
    Join Date
    Apr 2011
    Location
    N.AZ
    Posts
    502
    As Lou said Surprising how much a Good Clutch Fan And Shroud Will help in Cooling.
    There are many good aftermarket set ups for pusher fans.
    Also make sure you have a Good flowing Radiator. With a Pontiac 455 a three core ,( in my humble opinion) is minimum.
    If you like it Make it, don't forget to ask for Help.

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