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#1 |
Registered User
![]() Join Date: Jan 2014
Location: TX
Posts: 181
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Fan shroud help
Went to install my radiator shroud tonight but it's to small for the blade diameter. I'm running a serpentine belt and clutch fan system off of a 92 4.3 liter v6 out of an s10. What shroud do I need? Please help
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#2 |
Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,081
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Re: Fan shroud help
Do you have a tape measure, the old fan, and the new fan?
What are the fan diameters? |
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#3 |
Registered User
![]() Join Date: Jan 2014
Location: TX
Posts: 181
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Re: Fan shroud help
Don't have the old fan. I'm running a a 4 core radiator and a 1992 model serpentine system with the factory 5 blade metal fan that came with the serpentine set up. There is no way the fan will go in the shroud because the factory 1992 model fan and the factory 1970 shroud opening both measure 19 1/2" in diameter. Any ideas on what shroud will work and where to get it????
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#4 |
Senior Member
![]() Join Date: Oct 2010
Location: Cadiz, Ky
Posts: 512
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Re: Fan shroud help
I changed my fan blade to an 18". Just make sure it is reverse rotation.
__________________
1972 Chevy LWB Roadster 1999 Chevy Silverado 2wd 2015 Chevy High Country 4x4 Crew Cab |
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#5 |
Registered User
![]() Join Date: Jan 2014
Location: TX
Posts: 181
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Re: Fan shroud help
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#6 |
Registered User
![]() Join Date: Feb 2004
Location: El Cajon, Cal.
Posts: 75
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Re: Fan shroud help
I lucked out and found a '90 s vintage fan shroud off a Buick V8 in the wrecking yard, plenty big. Had to get creative with bolting etc.
__________________
Original owner '69 C20, long, fleet. 454 BB with Edelbrock stuff. Work truck for years, 2nd restoration going on. '69 C20 '03 Tahoe Z71 70 Hp Johnson pushing aluminum bass boat. All things in life are uncertain, so eat dessert first. ![]() ![]() |
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#7 |
Senior Member
![]() Join Date: Oct 2010
Location: Cadiz, Ky
Posts: 512
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Re: Fan shroud help
Here's one. Also local parts stores can order one for you.
https://www.etrailer.com/dept-pg-Rad..._Diameter.aspx
__________________
1972 Chevy LWB Roadster 1999 Chevy Silverado 2wd 2015 Chevy High Country 4x4 Crew Cab |
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#8 |
Newbee
Join Date: Jan 2010
Location: Phoenix, Arizona
Posts: 1,406
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Re: Fan shroud help
I bought one of these. They have all kinds of sizes for different applications.
http://www.summitracing.com/parts/su...2-sh/overview/ |
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#9 |
Registered User
![]() Join Date: Jan 2014
Location: TX
Posts: 181
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Re: Fan shroud help
Thanks everyone. I found a 17" fan blade off of a jeep but it sure looks small. Will it be big enough to move enough air to keep it cool? If not I will order an 18" fan and give that a try.
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#10 |
Senior Member
![]() Join Date: Oct 2010
Location: Cadiz, Ky
Posts: 512
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Re: Fan shroud help
The stock 4 blade that was stock on mine was 18". I wouldn't go any smaller than that. Overheating leads to major problems down the road.
__________________
1972 Chevy LWB Roadster 1999 Chevy Silverado 2wd 2015 Chevy High Country 4x4 Crew Cab |
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#11 |
Registered User
![]() Join Date: Jan 2014
Location: TX
Posts: 181
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Re: Fan shroud help
I think your right. Just ordered an 18 blade from summit. They matched the price from the etrailer link you provided in your earlier post. Hope it fits! Thanks for all the help....
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