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04-21-2002, 08:03 PM
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#1 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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GM fan clutch source
Does anyone know of a source for GM fan clutches for a 69-72 truck with 350 4bbl and AC? Local GM dealer shows it as being discontinued. I bought one for a '79 Corvette but it has the larger 3/4" pilot rather than the 5/8" pilot the truck water pump has. I have not heard favorable comments on aftermarket clutches, and the first one DID last 30 years and 350k miles :-)
------------------ 70 GMC 3/4 ton Sierra Grande 402/TH400 72 Jimmy 4WD 4spd 4" & 35's 64 Corvette Coupe 68 Camaro 'vert TPI & TH700 69 Z/28 355 12.6's @110 72 Datsun 240Z-ol' reliable [This message has been edited by Mike C (edited April 22, 2002).]
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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04-21-2002, 08:18 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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I have one from a parts store on mine...no problems, I spin it to 6500 RPM once in a while too. been on since '98.
------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio |
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04-22-2002, 08:35 AM
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#3 |
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Registered User
Join Date: Jun 2001
Location: Austin, Texas
Posts: 796
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Pepboys
Hayden 2747 HD........kicks in about 170F I run the sever duty one on my Pontiac that runs partially engaged all the time and kick to to full at about 190F
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69 SWB C/10 5-6 drop 700R4 69 Firebird Convert 455 4 spd 70 Torino GT Convert Austin-Texas |
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04-22-2002, 03:35 PM
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#4 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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What's the price and how long have you been running it? I've heard that aftermarket fan clutches may only be good for 5 years or so and I consider that unacceptable. GM pisses me off when they discontinue stuff. So much for "keeping your GM vehicle all GM" like the ad used to say...
------------------ 70 GMC 3/4 ton Sierra Grande 402/TH400 72 Jimmy 4WD 4spd 4" & 35's 64 Corvette Coupe 68 Camaro 'vert TPI & TH700 69 Z/28 355 12.6's @110 72 Datsun 240Z-ol' reliable
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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04-22-2002, 03:59 PM
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#5 |
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Registered User
Join Date: Jun 2001
Location: Austin, Texas
Posts: 796
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only 2 years......
75.00 this is the sever duty one on my Firedird  [This message has been edited by Frank_Zeller (edited April 22, 2002).]
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69 SWB C/10 5-6 drop 700R4 69 Firebird Convert 455 4 spd 70 Torino GT Convert Austin-Texas |
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04-22-2002, 04:02 PM
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#6 |
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Registered User
Join Date: Jun 2001
Location: Austin, Texas
Posts: 796
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Maybe ask GM for one for a 1985 truck...
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69 SWB C/10 5-6 drop 700R4 69 Firebird Convert 455 4 spd 70 Torino GT Convert Austin-Texas |
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04-22-2002, 09:42 PM
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#7 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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I just don't know if the spacing is different since ours are short water pumps. I guess I can carry the old one in and compare apples to apples...
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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