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Contour Electric Fan Install

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Heavy 488 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heavy 488 Quote  Post ReplyReply Direct Link To This Post Posted: Sep/01/2020 at 8:02am
Should be good to go as long as it's npt to npt.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1982AMCConcord Quote  Post ReplyReply Direct Link To This Post Posted: Sep/01/2020 at 7:46pm
Originally posted by Heavy 488 Heavy 488 wrote:

Should be good to go as long as it's npt to npt.

Ok thanks Heavy. After I purchased the other stuff I thought about this too... 




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Post Options Post Options   Thanks (0) Thanks(0)   Quote 73hornut Quote  Post ReplyReply Direct Link To This Post Posted: Sep/01/2020 at 8:08pm
Why not weld that bung into the top tank?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1982AMCConcord Quote  Post ReplyReply Direct Link To This Post Posted: Sep/02/2020 at 1:42pm
Originally posted by 73hornut 73hornut wrote:

Why not weld that bung into the top tank?

The radiator tank? It's a brand new brass/copper tank and currently installed. Really don't want to go to that extent. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1982AMCConcord Quote  Post ReplyReply Direct Link To This Post Posted: Sep/08/2020 at 5:51pm

Found this video and just wanted to share... This is a cheaper way of doing the hose adapter. I really wish I would've seen this before I bought the advance adapter hose adapter. This would've saved me a good $60-70 bucks... So don't do what I did... If you're having a hard time making the little adapter ring like I was... Do what this guy says instead.... I didn't think about this at all... Very silly oversight on my part. 


These are all over eBay....




Although I like my version... It could've been done cheaper had I saw that video sooner.





Edited by 1982AMCConcord - Sep/08/2020 at 5:55pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1982AMCConcord Quote  Post ReplyReply Direct Link To This Post Posted: Sep/13/2020 at 5:43pm
Just thought I'd report that the hose adapter I created worked well today. The fans turn on and off nice. We did break the center connector on the relay by accident. It apparently wasn't seated correctly and when I tried to reseat it... It just fell apart in my hands. I'll have to buy a new connection this week.

Anyway... Thanks for everyone's help and putting up with my belly aching!!!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 73hornut Quote  Post ReplyReply Direct Link To This Post Posted: Sep/13/2020 at 6:23pm
I used an adapter in the hose also, and installed with the sensor facing down, so it would most likely be in contact with coolant more often, in case of air pockets in hose giving false reading and fans not functioning.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 73hornut Quote  Post ReplyReply Direct Link To This Post Posted: Sep/07/2021 at 10:33pm
For those interested in the electric cooling fans, be sure you have the alternator to run them and you other accessories especially at idle in traffic. I found having to sit in hot summer with A/C and cooling fans on high, that the battery was drained down,  as the 12si I was running wouldn't hold 12 volts at idle and barely 13 at higher speed. Now I run a cs144 140amp and at idle now am at 13.5 volts, and 14.6 at higher speeds.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote farna Quote  Post ReplyReply Direct Link To This Post Posted: Sep/08/2021 at 6:10am
Definitely a good idea to make sure you have enough power!! Older 60s and 70s cars (with alternator, not generator -- generators are only about 30A and don't charge at idle!) have 35-40A alternator stock, with a 55-60A as an HD option. The 55A might cut it, but anything over 60A should for sure, assuming a pretty much "normal" load like I have (see last paragraph).

GM 10SI models have a "bladed" fan and came in 37, 42, 55, 61, and 63A models. A 12SI has a flat plate fan on front and came in 56, 66, 78, and 94A models. The 78A was used on many full size cars, loaded vehicles often came with the 94A. Any 66/78/94 should be fine. If not, there may be an issue with the alternator or the battery, and/or the battery cables (they corrode internally and the connections may have some corrosion).

140A is way overkill -- unless you have some high powered electric devices. I'm running a 63A 10SI alternator (original equipment from a loaded 83 Concord) with a 4.0L EFI engine, the Contour fans, AC (AC clutch, and one fan runs any time AC is on), and a Kenwood head unit (no amps, just four speakers). I also have power seats (rarely adjusted) and halogen headlights. I have no issues at all.




Edited by farna - Sep/08/2021 at 6:13am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote matty 401 Quote  Post ReplyReply Direct Link To This Post Posted: Oct/17/2021 at 12:07pm
has anybody cut flaps for this set up  so running down the highway  you get more air flow ? 
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