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Kirkham Motorsports

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  #1 (permalink)  
Old 06-27-2009, 07:14 PM
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Cobra Make, Engine: Contemporary Cobra, 427 side oiler
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Quote:
Originally Posted by 427sharpe View Post
Very similar to the Mark VIII fan, except the M8 is 18". The M8 fan fir my car beautifully. If I am not mistaken they use the same motor.
I like the aluminum surround treatment above...very clean and professional.
Actually, its just temp mounted using my 4 existing bolts and some thin 1" aluminum straps to keep it immobile. If it works as I planned, I will redo that top aluminum piece to fold over and come down to the top edge of the shroud, then do the same on the bottom. Right now I have about 1" top and bottom with core showing.

I think you are correct about the Mk VIII fan. Can you post up a pic of yours?

Thanks.

Last edited by elmariachi; 06-28-2009 at 03:07 PM..
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Old 06-28-2009, 06:33 AM
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Default ford thunderbird cooling fa

here is a picture of a 1997 ford thunderbird 2 speed setting electric fan I installed in my 428 c.i. - 400 HP cobra. On a 95 degree day, I can let the cobra idle for hours and the engine does not go above 180 degrees.
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Old 06-28-2009, 09:19 AM
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Originally Posted by cobraman428 View Post
here is a picture of a 1997 ford thunderbird 2 speed setting electric fan I installed in my 428 c.i. - 400 HP cobra. On a 95 degree day, I can let the cobra idle for hours and the engine does not go above 180 degrees.

It looks like the T-Bird uses the same fan as the Lincoln MK VIII, 18" fan.

Dave
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Old 06-28-2009, 11:55 AM
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Cobraman428;
Did you plumb for both speeds? I just use the hi, run directly to a toggle switch. I would have run to a t-stat, but use the 'off' to warm the car up when it's cold outside. That doesn't happen much now...104 in the shade today in N Texas
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Old 06-28-2009, 02:43 PM
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Default fan

I wired the fan on the high setting only and to a toggle switch with a relay. It is not tied into an automatic thermostat but might if I ever get around to it. I just keep an eye on the temp guage when sitting in traffic and bump the switch on if i see it creeping up. The 18" fan works awesome. I had to do some trimming on the shroud with a sabre saw but looks sweet !! The fan blades are only about 3/4" from the radiator fins. It had to be this tight because otherwise it would interfere with the rack & pinion steering.
I had the idea of using this fan from a wrecked 97 T-bird because the V-8 Ford T-bird would always sit in traffic with air conditioning on and never overheat??? I thought damm, why not try it on the cobra ! The results were very surprising and cost nothing.
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Old 06-29-2009, 08:28 PM
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Quote:
Originally Posted by undy View Post
It looks like the T-Bird uses the same fan as the Lincoln MK VIII, 18" fan.

Dave
TBird LX uses the same motor as an RX7 and it looks very much like a MarkVIII and has the same 18" blade. I use this one in my truck and it works great. The TBird SC is not the same, but may work just as well.
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