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#1 |
Registered User
![]() Join Date: Nov 2006
Location: KINGSPORT,TN.
Posts: 3,035
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Iso 5-7 blade mechanical fan blade
I need a 5 to 7 blade fan for my 250 i-6 that is mechanical. Anybody know where to get one of these critters. I,ve looked everywhere around here at home.
Thanks bob in tn.
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I BELIEVE IN JOHN 3:16 |
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#2 |
Too many projects
Join Date: Mar 2004
Location: Fargo, ND land of the flat hills
Posts: 1,147
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Re: Iso 5-7 blade mechanical fan blade
I've ran a 6 blade fan off an 80s small block (I think, it was a loose fan after my stock one shot off a blade 600 miles from home)
I've switched to electric fans on my 63 Nova, if you can't find one locally you can have mine for the cost of shipping.
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Andrew 84 GMC C1500 SWB 6.2 Diesel/700R4/3.42 "Grandpa's odd duck" |
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#3 |
Registered User
![]() Join Date: Nov 2006
Location: KINGSPORT,TN.
Posts: 3,035
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Re: Iso 5-7 blade mechanical fan blade
Is it a mechanical fan or does it have a clutch ? I dont care for the clutch type. Thanks
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I BELIEVE IN JOHN 3:16 |
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#4 |
Too many projects
Join Date: Mar 2004
Location: Fargo, ND land of the flat hills
Posts: 1,147
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Re: Iso 5-7 blade mechanical fan blade
Mechanical, I only had 1" of space between the radiator and water pump. Reduced to 5/8" with aluminum radiator plus it would have hit my new A/C compressor so I had to switch to electrics. Under the hood is really tight in the little Nova with a hopped up 250.
Kept the six cool for the couple years I ran it.
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Andrew 84 GMC C1500 SWB 6.2 Diesel/700R4/3.42 "Grandpa's odd duck" |
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#5 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,623
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Re: Iso 5-7 blade mechanical fan blade
No clue what turned you against them, but clutch fans are the only thing I'll consider using, unless it's a vehicle with electric fans already on it. Not that there's anything wrong with a good electric fan conversion.... just that I would never use a fixed-blade fan (and certainly not a flex fan).
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#6 |
Registered User
Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,149
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Re: Iso 5-7 blade mechanical fan blade
A 6-blade rigid fan is a HP robber. Look at this dyno test from Car Craft.
http://www.network54.com/Forum/21565...+Fan+Dyno+Test A clutch fan was closest to electric fan or no fan at all.
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'83 K20-TPI '73 C10 '79 C10-ex-diesel(SOLD) '07 Tahoe(Son driving) '14 Suburban-DD '71 C10-current project |
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