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#1 |
Registered User
Join Date: Apr 2008
Location: Phoenix Arizona
Posts: 13
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Fan Shroud
I have a 1970 truck with 454 motor and I am missing the fan shroud, Does anyone know where I can get one that will work as a direct bolt in. Thanks
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#2 |
Registered User
Join Date: Dec 2008
Location: coffeyville, Kansas
Posts: 195
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Re: Fan Shroud
Lmc
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#3 |
Registered User
Join Date: Oct 2009
Location: Lake Stevens, WA
Posts: 51
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Re: Fan Shroud
if its a 2wd you can get one brand new from the restoration outfits for a 402 equipped truck. if you have a 4x4 with a big block, take a look at the 73 and up shrouds....that what mine is
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71 K20 4x4-454/700R4/4:10 locked up 64 Cadillac Coupe de Ville 90 VW Jetta GLI 2.0 16V (daily driver) |
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#4 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Fan Shroud
To add to the above comments, If you have a short water pump, then follow the above advice.
If you have a long water pump, then trial and error unless someone has already figured out what will work. |
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#5 |
Registered User
Join Date: Jul 2009
Location: MT
Posts: 319
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Re: Fan Shroud
I know you are looking for a direct bolt in but its not hard to quickly fab something up. I am eventually going to get one, but for the time being I modified a small block plastic one I had.
I will try to post pics tonight, but basically I cut the top tabs off and trimmed any other areas for clearance with a jigsaw using a fine tooth blade. It mades for clean smooth cuts. Then I took some 2x2 right angle iron stock and cut them to the size I wanted for the top tabs and mounted them to the shroud with bolts. It was pretty easy and doesn't require any fancy tools. A guy could do it all with a hack saw and drill. And then on the bottom I spaced it out with some small rubber bushings I had and had to drill some new holes. Should work for the time being and was done completely with stuff I had laying around other than the bolts...but that was just some odd change. Better than the $100+ they want for new ones.
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'67 C-10 Shorty - 454, 5spd, and speed holes! |
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#6 |
Senior Member
Join Date: Apr 2002
Location: Help! I'm in an office park with its own network of freeways!
Posts: 470
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Re: Fan Shroud
I had to narrow the bit around the fan an inch or two and notch it to clear the alternator pulley, but the stock BBC shroud works fine on my LWP setup. However, the fan blades are entirely within the shroud, so I do lose some effectiveness.
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'67 C20--427 tall deck/SM420, 4.10 HO52 (Michigan has not been kind to the Old Man) '95 Caprice--355 LT1/T56/3.42 8.5" 10-bolt (daily driver, almost 300k on the chassis) '07 Outback--wife's car. 125k & counting. No head gasket or transmission issues yet. *fingers crossed* |
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#7 |
Registered User
Join Date: Oct 2009
Location: Lake Stevens, WA
Posts: 51
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Re: Fan Shroud
As long as your fan is large enough to fill the hole in the shroud, you will move plenty of air. Its better to be a little too far into the shroud, than too far out of it. Also, if your fan has a spacer between it and your water pump, you can consider buying a shorter spacer to bring the fan closer to the engine. Hope this helped
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71 K20 4x4-454/700R4/4:10 locked up 64 Cadillac Coupe de Ville 90 VW Jetta GLI 2.0 16V (daily driver) Last edited by myoldmetal; 04-02-2010 at 07:32 PM. |
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#8 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Fan Shroud
When we put the 454 in my '71 not long ago we used a BB shroud out of a '74 C-30.
We had to notch the shroud to clear the alternator, power steering pump and crank pulley. It came out pretty good, I did have to make a cover at the top to take up the space between the radiator and the shroud. The fan is inside a little farther than normal, but the engine runs plenty cool. I fired up the "Beast" today and took it for a short drive. Danny
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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#9 |
Registered User
Join Date: Oct 2006
Location: lost angeles
Posts: 159
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Re: Fan Shroud
seen these? not mine
http://losangeles.craigslist.org/sfv...672244704.html Last edited by long69; 04-03-2010 at 01:37 AM. |
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#10 |
Registered User
Join Date: Feb 2007
Location: Colorado
Posts: 255
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Re: Fan Shroud
Check out GMC Paul's. The BB shroud is clear at the bottom of the linked page.
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“If you don’t have time to do it right now, how will you ever find time to fix it.” - author unknown '70 SWB Step-Side (More rust than metal) ![]() Last edited by Lated; 04-03-2010 at 02:06 AM. |
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#11 | |
Registered User
Join Date: Feb 2007
Location: Colorado
Posts: 255
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Re: Fan Shroud
Quote:
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“If you don’t have time to do it right now, how will you ever find time to fix it.” - author unknown '70 SWB Step-Side (More rust than metal) ![]() |
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