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08-16-2003, 09:25 PM
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#1 |
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Registered User
Join Date: Aug 2003
Location: Michigan
Posts: 94
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Three bladed fan?
That's right. Took a good look at the fan the other day and discovered it was three-bladed. What the...? Was this normal on an '86 truck or a '78 motor? Whatever, that thing needs to be replaced with a much better fan and soon as I don't think the three bladed model can move enough air to cool the engine while towing.
Anyone tried the flex-i-lite or perma-cool flexible fans? They look like they might be just the ticket. Mike Grand Haven, MI
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1986 GMC C1500 High Sierra w/ mid-70's-ish 350 & th350 tranny 1976 Wellcraft 19.5' cuddy, Chevy 250 I6 -- FOR SALE |
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08-16-2003, 09:33 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,345
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my 86 with the 4.3 has one of them one day when i find parts for it ill switch it out with one of the five blade clutch fans
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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08-16-2003, 09:53 PM
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#3 |
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Account Suspended
Join Date: Jan 2000
Location: Woodstock, IL
Posts: 7,020
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I had a 81 305 that had a 3 bladed clutch fan.
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08-16-2003, 10:04 PM
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#4 | |
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huh?
 
Join Date: May 2000
Location: Washington, Illinois
Posts: 5,690
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Quote:
 
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Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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08-17-2003, 03:00 AM
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#5 |
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Registered User
Join Date: Jun 2003
Location: Fort Frances, Ontario, Canada
Posts: 373
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My 86 had a 4.3 V6 with a 3 blade fan too. I still have it in the garage.
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Kent Ballan ANY MAN CAN BUILD A TRUCK, BUT IT TAKES A REAL MAN TO CUT ONE UP!   
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08-17-2003, 09:35 AM
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#6 |
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Senior Member
Join Date: Mar 2003
Posts: 2,499
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I had a flex-fan blow up on me one time and take out the radiator so I will never use another.
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08-17-2003, 09:40 AM
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#7 | |
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Account Suspended
Join Date: Jan 2000
Location: Woodstock, IL
Posts: 7,020
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Quote:
Still better than that pig you own. I drove it anywhere. . . . . . :P |
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08-18-2003, 12:17 PM
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#8 |
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Registered User
Join Date: Oct 2002
Location: Phoenix, Arizona
Posts: 4,703
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I would also have to vote against the flex fan. I had one and it didnt work well. Couldnt keep the truck cool in the heat. I say go with a stock clutch fan or upgrade to an electric fan.
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* AVOID: LOPER'S PERMORANCE / LOPERSPEED.COM OF PHOENIX, AZ & COTTMAN TRANSMISSION * |
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08-18-2003, 11:04 PM
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#9 |
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Registered User
Join Date: Aug 2003
Location: Michigan
Posts: 94
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Thanks for the feedback. Guess I just wasn't expecting to see a three-bladed fan. In my life I've driven the following with clutch fans: '74 Pontiac Grandville w/455, '79 Olds Delta 88 Custom Cruiser w/350, '02 Chevrolet Silverado w/5.3. All of them had five bladed fans so I just kind of expected it.
Perhaps I'll make a stop at one of the local "u wrench it" autoparts establishments and see if I can find a five bladed fan that will fit. Thanks! Mike Grand Haven, MI
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1986 GMC C1500 High Sierra w/ mid-70's-ish 350 & th350 tranny 1976 Wellcraft 19.5' cuddy, Chevy 250 I6 -- FOR SALE |
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