327 fan setup
Working on my '66 custom camper with original 327 - does anyone know what kind cooling fan came on this engine from the factory? Did they come with a fan clutch? I have one of those fans with the flex blades and I am sure this was not the original configuration. I'm trying to take the setup back to the way it came from the factory. thanks - Rob
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Re: 327 fan setup
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Here's a pic of my '65 with a 283. It's a 4 blade. Should be the same as a 327.
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Re: 327 fan setup
Thank BBob... so do you run with a fan shroud or just as shown in the pic?
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I switched to a 4 row radiator and 7 blade fan with clutch. I also picked up an original shroud and mounting brackets that I have yet to install. The 7 blade does a good job though, even in the Phoenix heat. If you can't find one locally, I've still got the 4 blade. Should be cheap and easy to find at a scrap yard though. |
Re: 327 fan setup
Thanks for the very helpful info. I will look for the fan and shroud at the local scrap yard. --Rob
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Re: 327 fan setup
they would run a 4 blade and 5 blade . you could also get a clutch fan setup with 5 blade . they all used the shroud .
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BBob, which clutch fan did you buy if you don't mind. Did it have a themostat? Where'd you get it? Also does a 4 row fit in the stock brackets? Thanks
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4 row has different brackets up and down and the pads are different from the others. the tanks on the 4 row are 3.5" the others are 3.0"
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My 1965 C30 camper/motorhome has a 5 blade fan with clutch and schroud
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I got the radiator on ebay. You can get a 7 blade fan at any parts store. I do like that the clutch gets the fan a little closer to the radiator. Here's a little eye candy for ya. |
Re: 327 fan setup
I'll defer to Yelmer on this but I think the determining factor on the fan configuration was the transmission on your Custom Camper. The TH400 auto got the bigger, 4 row radiator. Not sure if the stick did or not. Mine has the TH400, as does Yelmer's, with a shroud. My fan is 6 bladed.
Check out our little Custom Camper club here: http://67-72chevytrucks.com/vboard/g...hp?groupid=117 |
Re: 327 fan setup
The OP's truck also has AC which I think would require a better fan than typical. I'm not sure if it would have been a clutch fan, but highly possible.
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Re: 327 fan setup
So is the 7-blade fan with a thermal clutch the ultimate solution for the best cooling (with A/C)? Although I understand how it works mechanically, guess I am not totally sure how the fan clutch affects the cooling. When the clutch heats up, the fan turns slower, right? So is the idea that too much airflow is a bad thing? I really want to thank everyone to some great replies to my post. PS: BBob, that's a good looking engine - is that in your ride now?
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I didn't know clutch fans were available on 66 pickups. I've been wrong before but I thought they were a later development, no?
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Here is a very oil untouched 65 c20 327 that had a 5 blade fan with a clutch. Here are before and after photos, havent put the fan back on yet.
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The standard HD fan was a fixed 5 blade no clutch. This fan is shown in the 64-66 factory Air Conditioning instruction manual. Heres a picture on a factory air 1966 292 . http://i270.photobucket.com/albums/j...d/IMG_0388.jpg |
Re: 327 fan setup
The oct 67 chevrolet parts book lists 65 -66 series 10-30 c.a.c. H.d. Radiator 327 part 3883159 fan blade 2nd design also the clutch for the blade is part 3883158 serie 10 -30 w a.c. H.d rad 327 2nd design
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The clutch
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Sorry Winston but this is one of the trucks I need that shroud for. 1966 short fleetside 292 Ac truck
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Re: 327 fan setup
I will need to take a picture will post later
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