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#1
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Switching to a clutch fan
I’m planning to switch to a clutch type fan on my ‘69 Firebird. Currently, running a stock type 7 blade flex fan with a stock fan shroud. It works adequately, but I’m borrowing it from my ‘75 TA and want to return it back to that car
Will a Derale 20 inch 17120 with with Hayden 2747 clutch fit and work well? It’s a six blade with 2 inch depth. I saw that the stock a/c car ones were 7 blade 19.5 inch with 2 1/4 inch pitch. Any other suggestions that may fit and work well? |
#2
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care full on the pitch
so it clears your power steering nut |
#3
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fan
using a factory fan off ebay 9796134 its a 7 blade AC fan.
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1968 Firebird 400, 068 cam, TH400 & 13" Continental Converter, Auburn posi with 3:08 factory gears, Cliff's Q-jet resting on a 68 factory iron intake, DUI HEI and Ram Air pans and RARE Long Branch Manifolds |
#4
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I just checked ebay, most are about $120 with shipping. Seems pricey for a 50 yr old fan. my concern was possible metal fatigue when they are that old
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#5
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I have a repro shroud and a but 19 or 19.5 factory clutch blade. Its reaaaaally close to the shroud. I got lucky and found a couple of those $120 factory blades in a $5 pile earlier this year at a swap meet.
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1967 Firebird 462 580hp/590ftlbs 1962 Pontiac Catalina Safari Swapped in Turd of an Olds 455 Owner/Creator Catfish Motorsports https://www.youtube.com/@CatfishMotorsports |
#6
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fan
got lucky found a nice one for 60 bucks delivered off ebay. just trust some factory parts more nowadays. maybe mine was cheaper cause I was looking to buy it in January!!!! Heck I still have the original 5 Blade Flex fan and a 7 blade from a 75TA as garage art.
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1968 Firebird 400, 068 cam, TH400 & 13" Continental Converter, Auburn posi with 3:08 factory gears, Cliff's Q-jet resting on a 68 factory iron intake, DUI HEI and Ram Air pans and RARE Long Branch Manifolds Last edited by 68 Firebird; 09-19-2019 at 08:10 AM. |
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