Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - fan shroud on the cheap
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Old 08-24-2012, 07:07 AM
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65 Imp SS 65 Imp SS is offline
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Originally Posted by 64elko View Post

Ok so i built a fan shroud for my 53 chevy,,, put it in took it for a drive and it RAN HOTTER then when i had no shroud on it...... So any options outher then adding a second radiator behind the rear axel,,,,
If it's set up as a puller it's possible with your shroud that when your speed increases you might be experiencing deadheading and or cavitation. If you look at Spal or Becool you will see they put in rubber flaps so when driving they open up to pass air through but at idle they stay closed do to the fan pulling air. Here is Spal's PDF on complete assy, note flaps run across top and bottom:
Here is individual flaps:SPAL USA
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