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What happened to Mopar performance Viscous fan kits?

Don Frelier said:
But if you take a box fan and rotate it 180 degrees it spins the other way and moves the same amount of air?
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The motor is still turning the fan blades in the same direction, regardless of the orientation of the enclosure. The fan's blades curvature and pitch angle in addition to its rotation, determine the air movment efficiency.
BOB RENTON
 
I wonder what happened to Mopar Performance in general. They used to sell some decent stuff.
 
RJRENTON said:
The best solution is to consider Tony's Parts, as noted previously. He markets a repro 7 blade fan assembly to use with EITHER a torque drive fan clutch (# 2806070) or thermal drive fan clutch depending on the application.
BOB RENTON
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Tony wants $160 for just the fan and another $200 or more for the clutch. Instead you can get the exact same fan from the Mopar viscous kit, used on tens if not hundreds of thousands of pre-magnum vehicles that are still in bond yards, for probably $5 and the same model clutch for $20-30 on Rock Auto.

I’m guessing there’s a good chance that the donor hardware will work on the vintage stuff and you might even be able to reuse the clutch, although for $20-30 I think I would just mount a new one.
 
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Montclaire said:
Tony wants $160 for just the fan and another $200 or more for the clutch. Instead you can get the exact same fan from the Mopar viscous kit, used on tens if not hundreds of thousands of pre-magnum vehicles that are still in bond yards, for probably $5 and the same model clutch for $20-30 on Rock Auto.

I’m guessing there’s a good chance that the donor hardware will work on the vintage stuff and you might even be able to reuse the clutch, although for $20-30 I think I would just mount a new one.
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Do you know specific years/models that used the exact same fan as the kit? I ask because I've heard that a lot over the years, but I have scavenged several 'junkyard' fans from 70's and 80's/pre-magnum small-block trucks, Dodge Diplomats and other sedans etc that everyone swears are the same as the MP 5-blade unit...and none of them are exactly like that MP fan. All the ones I've found are 19" and larger and don't fit in my MP reproduction '67-'69 shroud like the MP kit fan did. The kit fan was 18" and worked really well for me until it had intimate relations with my radiator...
 
Same thing here. All the later ones seem to be 19" and won't fit the earlier shrouds.
The clutch themselves are available from Hayden in both the short and long shaft.
 
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Montclaire said:
Parts fitment at the bottom of the page: https://www.moparpartsgiant.com/parts/mopar-part~4140063.html
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Thank you, but I have two fans from vehicles on that list and they are 5-blade units but definitely not the 18" diameter version from the MP kit...I guess maybe the 'donors' didn't have the proper option pkg. For now I'm stuck with my factory 18" 7-blade. It works okay but it sure is heavier and I think the MP kit fan moved more air..
 
Montclaire said:
Tony wants $160 for just the fan and another $200 or more for the clutch. Instead you can get the exact same fan from the Mopar viscous kit, used on tens if not hundreds of thousands of pre-magnum vehicles that are still in bond yards, for probably $5 and the same model clutch for $20-30 on Rock Auto.

I’m guessing there’s a good chance that the donor hardware will work on the vintage stuff and you might even be able to reuse the clutch, although for $20-30 I think I would just mount a new one.
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That's fine....but for my car, i will continue to use critical NEW parts, especially the # 2806070 totque drive fan clutch and the mopar fan blade assembly. Since my RS23V0A GTX came with a Eaton torque drive fan clutch this is what I'll install. Wrecking yard parts, especially the fan blade assembly should not ever be straightened OR repaired because of the possibility of catastrophic component failure and IMO, the same thing applies to the fan clutch assembly, specifically the hub bearing. I would rather spend a few more $$$, rather than risk failure. Hayden makes fine products but I seek origionality and appearance and are willing to spend more for my piece of mind and appearance. BTW....the Mopar fan used was either all steel or on the Hemi engine, aluminum blades were used for a slight weight reduction and lower WR2 for the fan. BTW....all original HP fan assemblies were 18 1/2" diameter 7 blade assemblies...only the Mopar Performance offerings were 5 blade assemblies.
BOB RENTON
 
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This is what I have on my Dart. New Hayden clutch with Mopar Viscous fan which I though is 18". My car is nowhere correct.

20180422_190559.jpg
 
Gotta agree with Mr. Renton on that one 100%!
(Though I didn’t know the HEMI had an aluminum bladder fan!)
Some resto guys go to far and expect it to last while they drive the car. Not a good idea in my book. I’ll loose the trophy and keep the car without the Possibility of damage from the old component failure any day! I have heard of that happening before. Fan blade right through the hood! That’s got to hurt the wallet.
 
I agree. Have a hard time with a 40 year old clutch is why I use new ones but my cars don't need 200.00 clutches. If I was building a correct Hemi car then maybe yes.
 
Funny thing is both my 72's with new clutches have never got hot enough to engage the clutch. Even in 100* desert heat.
 
I’ve seen a few posts saying that Volare/Aspen have the same fan blade.
 
RJRENTON said:
Personally, cost is not the determining factor. Correct operation and reliability are paramount....
BOB RENTON
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I agree about reliability that is why I use new Hayden clutches. I've put over 200,000 miles on a couple of them with no failure, problems or over heating. Also is why I use the Viscous fan. Mopar says it is their most efficient fan. I drive the crap out of my cars, not in and out of a trailer. Building my Dart for the road course and plan to race the crap out of it. Again if I was building a concourse 100 pt. car, which most people are not doing, I could see 200.00 for a correct clutch. Don't know if I would trust a 50 year old NOS one either. Bob, you should do what works for you as I do what works for me.
 
RJRENTON said:
That's fine....but for my car, i will continue to use critical NEW parts, especially the # 2806970 totque drive fan clutch and the mopar fan blade assembly. Since my RS23V0A GTX came with a Eaton torque drive fan clutch this is what I'll install. Wrecking yard parts, especially the fan blade assembly should not ever be straightened OR repaired because of the possibility of catastrophic component failure and IMO, the same thing applies to the fan clutch assembly, specifically the hub bearing. I would rather spend a few more $$$, rather than risk failure. Hayden makes fine products but I seek origionality and appearance and are willing to spend more for my piece of mind and appearance. BTW....the Mopar fan used was either all steel or on the Hemi engine, aluminum blades were used for a slight weight reduction and lower WR2 for the fan. BTW....all original HP fan assemblies were 18 1/2" diameter 7 blade assemblies...only the Mopar Performance offerings were 5 blade assemblies.
BOB RENTON
Click to expand...

I'll have to go out to the shop and put a magnet on the blades of my Hemi Charger. If I knew they were aluminum, I have forgotten. Nearly 100% sure that mine is the original fan. (40 years of ownership, most of the history prior).
 
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