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Gap at top of fan shroud
#2901446
03/21/21 09:33 PM
03/21/21 09:33 PM
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Joined: Aug 2003
Posts: 848
Avondale AZ
Prodart440
OP
super stock
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OP
super stock
Joined: Aug 2003
Posts: 848
Avondale AZ
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I bought and installed a fan shroud for my 69 Dart. It is the factory type shroud, on an aftermarket aluminum radiator. There is a gap that is just over 1" at the top between the shroud and the tank. Any Ideas on how to fill the gap?? Thanks in advace!!
Aaron
68 Roadrunner 383/AT
69 Dart GT Conv. 383/AT
05 Dodge Ram 4x4 Cummins
06 GoManGo R/T Daytona #757
68 Coronet 440
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Re: Gap at top of fan shroud
[Re: Prodart440]
#2901452
03/21/21 10:07 PM
03/21/21 10:07 PM
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Joined: Feb 2003
Posts: 1,306
Laveen, Arizona
GTSDart340
pro stock
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pro stock
Joined: Feb 2003
Posts: 1,306
Laveen, Arizona
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Following this, my aluminum fan shroud on my 68 has a similar gap. I was going to try using a thick rubber flap attached using sticky tape.
1949 International KB-2 "Mater" - 302/T5
1968 Dodge Dart GTS "The Drat" - 340/727
2006 Dodge Magnum R/T - Hemi
2016 Dodge Durango Limited - 3.6
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Re: Gap at top of fan shroud
[Re: topside]
#2901453
03/21/21 10:08 PM
03/21/21 10:08 PM
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Joined: Aug 2003
Posts: 848
Avondale AZ
Prodart440
OP
super stock
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OP
super stock
Joined: Aug 2003
Posts: 848
Avondale AZ
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You might try a rubber seal intended for a pinchweld, that has a flap.
Look at the restorationspecialties.com catalog, should be something there. I like the idea of something pushing onto the shroud. I'll report back what I find.
Aaron
68 Roadrunner 383/AT
69 Dart GT Conv. 383/AT
05 Dodge Ram 4x4 Cummins
06 GoManGo R/T Daytona #757
68 Coronet 440
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Re: Gap at top of fan shroud
[Re: TJP]
#2901825
03/22/21 10:48 PM
03/22/21 10:48 PM
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Joined: Aug 2003
Posts: 848
Avondale AZ
Prodart440
OP
super stock
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OP
super stock
Joined: Aug 2003
Posts: 848
Avondale AZ
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I was thinking something like this. Push it onto the shroud, and it'll rest against the radiator.
Aaron
68 Roadrunner 383/AT
69 Dart GT Conv. 383/AT
05 Dodge Ram 4x4 Cummins
06 GoManGo R/T Daytona #757
68 Coronet 440
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Re: Gap at top of fan shroud
[Re: Prodart440]
#2902284
03/24/21 09:16 AM
03/24/21 09:16 AM
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Joined: Jan 2003
Posts: 21,499
N.E. OHIO, USA
A12
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 21,499
N.E. OHIO, USA
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Personally I would first try to determine how much flow you have now with the gap and then after your mod whatever you might end up with. Putting a 1" non-tapered lip on the edge might do more harm to the venturi effect of the shroud than help? The corners of the shroud are somewhat not tapered already. Was just thinking of how any lip that was not tapered on say a carburetor venturi would hurt flow so would that also hurt on a fan shroud?? You could tape short pieces of (kite) string around the top part of the shroud before and after the mod like sometimes done in wind tunnels to check flow? Just maybe the morning coffee talking  Looks good btw  And is that F8 Green  Could always buy a larger diameter fan and cut it to size if the next size up is too large? Mike
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Re: Gap at top of fan shroud
[Re: A12]
#2902330
03/24/21 11:54 AM
03/24/21 11:54 AM
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Joined: Aug 2003
Posts: 848
Avondale AZ
Prodart440
OP
super stock
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OP
super stock
Joined: Aug 2003
Posts: 848
Avondale AZ
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Personally I would first try to determine how much flow you have now with the gap and then after your mod whatever you might end up with. Putting a 1" non-tapered lip on the edge might do more harm to the venturi effect of the shroud than help? The corners of the shroud are somewhat not tapered already. Was just thinking of how any lip that was not tapered on say a carburetor venturi would hurt flow so would that also hurt on a fan shroud?? You could tape short pieces of (kite) string around the top part of the shroud before and after the mod like sometimes done in wind tunnels to check flow? Just maybe the morning coffee talking Looks good btw And is that F8 Green Could always buy a larger diameter fan and cut it to size if the next size up is too large? Mike Yes, F8! I almost painted it orange. I am glad I didn't.
Aaron
68 Roadrunner 383/AT
69 Dart GT Conv. 383/AT
05 Dodge Ram 4x4 Cummins
06 GoManGo R/T Daytona #757
68 Coronet 440
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