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Everything posted by subynut
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Yes. If I were to move the engine back and go to RWD, I would have the same tail swinging problems on dry ground that I did with my old 86 wagon with an EJ22 and RWD on wet roads.
I have three addictions: Torque, traction, and the sound of Subarus.
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Another issue with the radiator on the roof, is weight. A radiator full of coolant probably exceeds the 100lbs the roof can carry.
Decisions..decisions
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Another idea I thought about is to put it in the back of the wagon and seal off the passenger compartment right behind the back seat. I could then knock out the side and rear windows and feed the air in from the sides and right out the back. That might work if the aerodynamics of the car agree with the idea. Only issue is how big would the side scoops be to catch enough air and will they block my side views since the rear view will be practically nill with the ducting back there feeding the radiator. I would put an electronic rear view back there to fix that.
I could get away with this in cooler country, but here, I have to keep engine cooling a high priority - that means enough airflow to keep the engine happy while humming along the desert floor. Also, with the extra air resistance of the radiator on the roof, will I be really gaining anything at faster speeds vs a mild build of an EJ25?
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I also looked at cutting out the upper and lower radiator support and moving the radiator forward and moving the bumper forward, but the question still remains, will there be enough airflow to remove the heat out of the radiator?
The other place to put the radiator is on the roof, but after some measurements, I will have issues with airflow through the radiator at highway speeds. Even though the EZ series cooling system flows better, if I can't get the heat out of the radiator, what good is it?
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I have run into a major problem with radiator placement. There is zero space in front of the engine - I tried placing a radiator from a RX7 in the front, but I had less than an inch between the radiator and the engine on the bottom and about 4 inches at the top (after I chopped the upper radiator support out for room). I will also have to take a notch out of the bumper for the fan. The air will not be able to go under the engine, all of the air will all have to go over it since there is no place for it to go around the sides. So, it will have to work it's way around the accessories to get to the back of the engine compartment, down, and out. I looked at opening up a hole in the hood right at the nose of the car, but the aerodynamics are so squirrly there, that I will have to put a giant cowl hood on there to direct the air over the top.