Question about viscous drive fan clutch

[MagikDraggin]

My '62 Hawk presently has a fixed position 6 blade fan. If I were add a viscous fan clutch, will the same fan fit with no problems, or do I need to obtain a different fan?




1962 GT Hawk 4sp

[Swifster]

The parts book shows only Jet Thrust engines getting the fan clutch. But there isn't a specific fan for JT applications which should mean your fan will work.

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Tom - Valrico, FL

1964 Studebaker Daytona

[MagikDraggin]

quote:Originally posted by Swifster

The parts book shows only Jet Thrust engines getting the fan clutch. But there isn't a specific fan for JT applications which should mean your fan will work.

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Tom - Valrico, FL

The "Parts Book", ehh? Looks like I'm going to have to get me one of those things too.

Ok, so logic would suggest the current fan should work...the only unknown then being, whether or not there is sufficient clearance between the fan and the radiator, to allow for a clutch on a non JT application.

Guess I'll have to look into this a bit further. Thanks for the info.

Karl


1962 GT Hawk 4sp

[PlainBrownR2]

Regarding the clutch and non clutch fans, there is a difference in the bolt and hole spacing on the fans. The fixed position fans bolt right to the water pump(or spacer). The viscous clutch fans have a larger diameter hole spacing in the center. This is done to accomodate being attached to the viscous fan clutch, which in turn is attached to the water pump.
You will need to purchase a different fan to attach to the clutch model. Luckily, they come in six, and if I'm not mistaken, seven blades, in a wide variety of sizes and number of blades. I have a viscous fan setup on my Lark with the seven blade in the biggest fan diameter I could stick in the fan shroud.


1964 Studebaker Commander R2 clone
1950 Studebaker 2R5 with 170 turbocharged
[img=left]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00003.jpg?t=1171152673[/img=left]
[img=right]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00009.jpg?t=1171153019[/img=right]
[img=left]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00002.jpg?t=1171153180[/img=left]
[img=right]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00005.jpg?t=1171153370[/img=right]

[Swifster]

There were only two listings (and one part number) for a six blade fan. One was for cars with A/C and the other was for non-A/C cars, but with HD cooling. Again, they used the same part number. If there is a 7 blade fan, I didn't see a listing for it. The five blade fan was an R3 piece?

This was with a quick search thru the '59-'64 catalog. Did I miss a fan that wasn't a four blade?

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Tom - Valrico, FL

1964 Studebaker Daytona

[62champ]

Here is a pic of the backside of the viscous drive and fan




Hope that helps.

1960 Lark VI - finally turned 50k in August of 2006

[StudeRich]

You missed the Jet Thrust section, it shows and lists the R1,R2,R3,R4 type. It should also be in the Air Cond. section, it was used there also. Anyway as George (OPPS; NOT George,wrong Plain Brown Wrapper!)said the bolt hole spacing, center hole size, everything is wrong to add a viscous drive to the HD fan blades.

The replacement 6 blade fan is 800356 $85.00, and the Viscous clutch is 1560257 $68.00 at most of our friendly Studebaker Vendors at: studebakervendors.com

quote:Originally posted by Swifster

This was with a quick search thru the '59-'64 catalog. Did I miss a fan that wasn't a four blade?

StudeRich
Studebakers Northwest
Ferndale, WA

[Swifster]

Thanks Rich. I have my parts manuals on CD and didn't go into the Avanti book with the R3's & R4's [:I].

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Tom - Valrico, FL

1964 Studebaker Daytona

[N8N]

I think the VD fan uses a different water pump pulley as well, but the only difference is in the diameter.

nate

--
55 Commander Starlight

http://members.cox.net/njnagel

[studebaker-R2-4-me]

And the noise the new fans put out

1964 GT Hawk soon to be R2 Clone

[StudeRich]

Actually Nate it's the center "Nose" of the water pump hub that needs the deeper one on the HD water Pumps to mount a Viscous Drive unit & fan.

quote:Originally posted by N8N

I think the VD fan uses a different water pump pulley as well, but the only difference is in the diameter.nate

StudeRich
Studebakers Northwest
Ferndale, WA

[StudeRich]

Actually Tom, you do not need the Avanti book, the back of your '59-'64 Chassis catalog should have a Jet Thrust section for the Super Lark/Hawks that shows R1 & R2's using them.

quote:Originally posted by Swifster

Thanks Rich. I have my parts manuals on CD and didn't go into the Avanti book with the R3's & R4's [:I]

StudeRich
Studebakers Northwest
Ferndale, WA

[PlainBrownR2]

Correction: Yeah I believe six is the largest number of blades. I have the large one on the Lark. Great for cooling, but on the occaisional hot day the car does get a little warm when I'm at road speed from the size and number of spinning blades in the front.
Anyways, The larger fans were made to accomodate the demand of AC. Now the R3's viscous fans I believe are fairly easy to spot. Most of them are fairly small(HP reasons) and if I'm not mistake a nice shade of red.


1964 Studebaker Commander R2 clone
1950 Studebaker 2R5 with 170 turbocharged
[img=left]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00003.jpg?t=1171152673[/img=left]
[img=right]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00009.jpg?t=1171153019[/img=right]
[img=left]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00002.jpg?t=1171153180[/img=left]
[img=right]http://i158.photobucket.com/albums/t102/PlainBrownR2/DSC00005.jpg?t=1171153370[/img=right]

[showbizkid]

quote:Originally posted by StudeRich

Actually Nate it's the center "Nose" of the water pump hub that needs the deeper one on the HD water Pumps to mount a Viscous Drive unit & fan.

You're kidding! I got a viscous drive fan and clutch for my Lark. I also JUST installed a new standard water pump on the manifold... not the HD version. Do you mean I can't mount the new fan on the standard pump? What's the difference?


[img=left]http://members.cox.net/clarknovak/lark.gif[/img=left]

Clark in San Diego
'63 F2/Lark Standard

http://studeblogger.blogspot.com

[StudeRich]

Clark; try putting the center "nose" of the water pump hub into the recess in the viscous unit, if it goes ALL the way in, and seats it's OK. But I do NOT think that will happen, unless the reproduction Viscous units are a lot different than OEM.

Those VD units require an Avanti pump, and I have to be honest here, they are one of the ones (same MFG) that people have said have too much clearance between the Impeller and the pump body. I would think with proper re-assembly, you could push the Impeller all the way on the shaft! I hope! [:0][:0]

StudeRich
Studebakers Northwest
Ferndale, WA