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#1 |
Registered User
Join Date: Jan 2007
Location: minden la
Posts: 80
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Flex Fan Disaster
Check Out What A Flex Fan Will Do To Your Hood When It Breaks. Had I Been Leaning Under The Hood When This Happened It Wood Have Been The End To Mr Magoo!! Has This Ever Happend To Any One Else?
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1972 C-10 SWB 350CI TURBO 350 TRANNY, TILT, POWER WINDOW & BRAKES, TANK UNDER THE BED W/MARKER LIGHT FILLER. 3.08 GEARS, CLASSIC AIR ![]() ![]() 2000 chevy blazer 1990 nissan pick-up 1984 mazda pick-up (son's project truck) |
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#2 |
Registered User
Join Date: May 2005
Location: Beaverton, OR
Posts: 3,728
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Re: Flex Fan Disaster
I can tell what the under hood pic is showing. The top of the hood looks bad though.
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New Project: 1966 LWB C20 Plans: 1/2 ton conversion Dropmember front Dropmember rear Corvette discs Restored raised bed http://67-72chevytrucks.com/vboard/s....php?p=4295210 |
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#3 |
Registered User
Join Date: Jan 2007
Location: minden la
Posts: 80
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Re: Flex Fan Disaster
Sorry.......i Repeted My Pic
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1972 C-10 SWB 350CI TURBO 350 TRANNY, TILT, POWER WINDOW & BRAKES, TANK UNDER THE BED W/MARKER LIGHT FILLER. 3.08 GEARS, CLASSIC AIR ![]() ![]() 2000 chevy blazer 1990 nissan pick-up 1984 mazda pick-up (son's project truck) |
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#4 |
Senior Member
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Location: Urbana,Ohio,USA
Posts: 4,618
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Re: Flex Fan Disaster
I saw the same thing happen before. On a 73 Gran Torino. I never hang over the fan now. Would have cut me in half.
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2008 Chevy HHR 1/2 panel. 1949 Chevy Panel truck(just sittin, waiting) Board member #6 |
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#5 |
Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: Flex Fan Disaster
Flex fans have a tendancy to do that. If you own a vehicle with one, take it off!!!!!
IMO the two worst things you can have on an engine (as far as safety goes) are a flex fan and a foam air filter.
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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#6 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: Flex Fan Disaster
Ouch!
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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#7 |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Flex Fan Disaster
Did that happen at idle? I would have thought it to let go with some throttle.
I asked about flex fans but the majority suggested to stay away from them. s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() |
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#8 |
Insert Title Here
Join Date: Feb 2006
Location: Dyer, Indiana
Posts: 5,679
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Re: Flex Fan Disaster
yeah I seen the same thing happen on an s10... reason why I would never have a flex fan
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BOBBY _69 SWB_ 1000 pics of 67-72's>> http://s193.photobucket.com/albums/z...-72/?start=all << |
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#9 |
Registered User
Join Date: Jan 2007
Location: minden la
Posts: 80
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Re: Flex Fan Disaster
i was revving it up when it happend, checking my throttle cable. i thought it had slung a rod or blew up!!
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1972 C-10 SWB 350CI TURBO 350 TRANNY, TILT, POWER WINDOW & BRAKES, TANK UNDER THE BED W/MARKER LIGHT FILLER. 3.08 GEARS, CLASSIC AIR ![]() ![]() 2000 chevy blazer 1990 nissan pick-up 1984 mazda pick-up (son's project truck) |
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#10 |
Out draggin'
Join Date: Jan 2004
Location: Pitman,NJ
Posts: 1,574
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Re: Flex Fan Disaster
I had one let loose on my 69' Bird 400 coupe years ago. Went right thru the ram-air hood like yours did(plus chopped the radiator hose). Never ran one again...
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91 GMC Xcab LB-Bags/bd/caddy clip SOLD 72 C10 Cheyenne Super LWB SOLD 92 GMC K1500 Burb 72 C10 Burb (ex. Cheesewagon)SOLD 72 C20 Burb parts truck 71 C10 Burb "project" |
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#11 |
Tool Addiction=Money Shortage
Join Date: Mar 2006
Location: Grand Forks, ND
Posts: 233
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Re: Flex Fan Disaster
If you want another flex fan(I doubt you do) you can have my old one. First thing I did when I got my pickup was to take that grenade off and put a factory fan back on.
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1967 K20 400TBI SM465/NP205 posi front, Detroit locker 4.56 rear |
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#12 |
River life......
Join Date: Oct 2005
Location: Soldotna AK
Posts: 1,078
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Re: Flex Fan Disaster
I have heard of it, but never seen the results. I definitely won't have one now.
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#13 |
Registered User
Join Date: Oct 2005
Location: Northern Arkansas
Posts: 1,132
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Re: Flex Fan Disaster
Flex fans are pretty hard on water pumps too.
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#14 |
Post Whore
![]() Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,684
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Re: Flex Fan Disaster
About 2 summers ago one killed a guy in the Wichita area. Won't catch one on my vehicles.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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#15 |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: Flex Fan Disaster
OK.... the one on the 67 will soon be removed! I thought this was an isolated incident. Never heard of this happening before!
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride ![]() American Born, Country by the Grace of God ![]() 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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#16 |
Senior Member
Join Date: Feb 2005
Location: Maynardville, Tn
Posts: 3,030
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Re: Flex Fan Disaster
My sentiments exactly! When metal continually bends it work hardens and will eventually break. This is a perfect example.
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SEMA Network- Protect our Hobby! 71 C30 in pieces, starting to come together. Click here for A Place For Tennessee Truck Enthusiest To Meet |
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#17 |
Post Whore
![]() Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,684
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Re: Flex Fan Disaster
This post ought to be put in the other forums for all to see - alot of people think it is a myth that these are dangerous - it's no myth!
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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#18 |
Out draggin'
Join Date: Jan 2004
Location: Pitman,NJ
Posts: 1,574
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Re: Flex Fan Disaster
I agree 100%...
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91 GMC Xcab LB-Bags/bd/caddy clip SOLD 72 C10 Cheyenne Super LWB SOLD 92 GMC K1500 Burb 72 C10 Burb (ex. Cheesewagon)SOLD 72 C20 Burb parts truck 71 C10 Burb "project" |
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#19 |
In Memoriam...
Join Date: Nov 2006
Location: Wallburg, NC
Posts: 1,216
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Re: Flex Fan Disaster
WOW...thanks for sharing this. On another forum (fullsizechevy.com), there have been several questions lately about which flex-fan was best. I've never been a fan of them, but NEVER actually seen what can happen. Glad you were not injured, and the hood can be repaired.
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'68 C10 SWB 307ci 2BBL FarmTruk Pics Here "You know, doing what is right is easy. The problem is knowing what is right." |
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#20 |
Registered User
Join Date: Dec 2004
Location: Southeast Tx
Posts: 1,302
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Re: Flex Fan Disaster
Holy Crap! I guess I'll be removing mine very soon!
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"The rays of light thru the Shiner Bock bottle make me wanna turn the key and put down the throttle...and get lost down 35" - Jason Boland www.YouTube.com/user/593Films - Watch My Videos! ![]() 1977 Silverado K10 2014 Dodge Durango (Wife-mobile) 2008 Dodge Ram Lone Star Edition (Daily driver) |
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#21 |
Senior Member
Join Date: Nov 2005
Location: Victor, Montana
Posts: 386
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Re: Flex Fan Disaster
I had the same thing happen to fan clutch assembly in my 68 GTO, it hadn't disengaged and under hard acceleration one blade busted off. It didn't make it through the hood due to the fact it got stuck between the hood and the reinforcment. It did make a dent on the outside though.
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04 4x4 GMC Ext. Cab lifted 71 2wd GMC / Ramjet 350 ready for sheet metal 49 Studebaker pickup |
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#22 |
Black 72 Chevy
Join Date: May 2002
Location: Los Angeles, California
Posts: 662
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Re: Flex Fan Disaster
Wow, I'm glad you were not checking the tranny oil when that happened.
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72 Chevy, SWB, 350engine, TH400 |
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#23 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Flex Fan Disaster
this is exactly why I've been preaching about this for years.
GM even had a recall on factory flex fans. Glad no one was hurt, the hood can be replaced, but they haven't perfected reataching one's head yet. |
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#24 |
Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: Flex Fan Disaster
Pisser about your hood ... but sure glad you're ok.
Thanks for sharing. Last edited by Shane; 02-06-2007 at 04:45 PM. |
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#25 |
village idiot
Join Date: Oct 2006
Location: Barbourville,KY
Posts: 178
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Re: Flex Fan Disaster
had the exact same thing happen with an old CJ5 years ago,just finished adjusting the carb and shut and strapped down the hood when the buddy that was helping me gave it a little rev,damn fan blade came through the hood
scared the poo out of me |
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