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Re: Fan blades are close to top edge of radiator trans cooler...
[Re: ksat]
#2563059
10/12/18 07:28 PM
10/12/18 07:28 PM
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Joined: Nov 2006
Posts: 2,255 IL
furious70
top fuel
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top fuel
Joined: Nov 2006
Posts: 2,255
IL
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with a viscous fan the clutch itself is usually the closest thing to the radiator, not the blades?
70 Sport Fury 68 Charger 69 Coronet 72 RR
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Re: Fan blades are close to top edge of radiator trans cooler...
[Re: ksat]
#2563073
10/12/18 07:43 PM
10/12/18 07:43 PM
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Joined: Nov 2006
Posts: 2,255 IL
furious70
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top fuel
Joined: Nov 2006
Posts: 2,255
IL
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ha, I thought that was the side not the bottom, I wasn't looking at it correctly! The radiator is sitting all the way down and flush against the support all the way? Is it to be a direct fit or just a generic one?
70 Sport Fury 68 Charger 69 Coronet 72 RR
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Re: Fan blades are close to top edge of radiator trans cooler...
[Re: ksat]
#2563106
10/12/18 08:56 PM
10/12/18 08:56 PM
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Joined: Nov 2006
Posts: 2,255 IL
furious70
top fuel
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top fuel
Joined: Nov 2006
Posts: 2,255
IL
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as the engine torques over it would raise slightly, but if you let off suddenly it'd come back down.
70 Sport Fury 68 Charger 69 Coronet 72 RR
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Re: Fan blades are close to top edge of radiator trans cooler...
[Re: ksat]
#2563339
10/13/18 12:33 PM
10/13/18 12:33 PM
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Joined: Dec 2003
Posts: 3,519 Lansing, MI
70gtx440dana
master
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master
Joined: Dec 2003
Posts: 3,519
Lansing, MI
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The spacing from the radiator core itself seems to be fine. I've got about 1/2" of space between the clutch and core, and about 3/4" space between the blades and core. But the space that I'm refering to is between the tip of the lowest blade and the top "shelf edge" of the rad cooler like in my first post. I can just barely squeeze a finger between the two. Not sure what the factory spacing is supposed to be to core face.....however, I would never run with only 1/2" clearance to radiator. I used to engineer fan clutches and typical "rule of thumb" was 1" to core face and 1" tip clearance to anything underhood. Once you install the shroud your fan is going to be too deeply immersed leading to poor performance of the fan. Also, the clutch will engage much too soon as it is getting radiant heat from the core face.
70 Road Runner 383-4 4 speed FJ5 & black guts 70 Charger R/T 440-4 4 speed FJ5 & white guts
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