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post #1 of (permalink) Old 12-30-2001, 03:35 PM Thread Starter
 
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electric fan conversion. Doners?

Hey all,
Well I have been mulling it over for about a week now, and I came to the a few conclusions: 1)I want to go to electric fan from a stock clutch engine driven fan. 2)I don't want to pay something like $350 from a jeep catalog for a dual fan setup(eventho it looks complete and exactly what I want, I just can justify it) 3)I have no clue of what car to pull an electric fan out of.

I understand the wiring, adding a temp switch to turn it on, and an overide switch to turn it off in water.
this is for an '85 CJ-7 with a 258cid with a serpintine belt.
thank for the list.
surveyboy

http://www.csupomona.edu/~sdmiller1/jeep.htm
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post #2 of (permalink) Old 12-30-2001, 04:26 PM
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Re: electric fan conversion. Doners?

My first choice for an electric fan would be from a late model Ford T-Bird (early to late 90's). I would think that a salvage yard would be an affordable source.
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post #3 of (permalink) Old 12-30-2001, 08:33 PM
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Re: electric fan conversion. Doners?

i run a dual fan setup from SPAL and it works great! it has dual 11" fans and the shroud fits perfectly on a cj radiator. i had all sorts of cooling prob's before i went to these fans and like i said they WORK! they are $200

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post #4 of (permalink) Old 12-30-2001, 09:27 PM
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Re: electric fan conversion. Doners?

There was a discussion of this a while back on the BBS. A couple of people said the best one was from a Ford Crown Victoria. The use the Ford Crown Vic for police cars and elec fan works very well.

85 CJ7,Chevy LT-1,700R4,NP208,4 1/2 lift,33's
77 Blazer,350 Cowl Induction,TH350,NP203 8", 33's

post #5 of (permalink) Old 12-30-2001, 11:28 PM
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Re: electric fan conversion. Doners?

I noticed you live in CA. If you have Air Conditioning make sure that the fan runs when your AC is on.

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post #6 of (permalink) Old 12-31-2001, 12:01 AM
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Re: electric fan conversion. Doners?

check out a Ford Contour 2.5 V6. The dual fan shroud assy has thin fan mtrs and it fits exactly the width of a CJ radiator. You may have to trim off about 1 inch or so of the bottom of the shroud with a band saw. I had one on my CJ for a while and it pulls a bunch of air, but it also pulls a lot of amps. my alt. could not keep up. I think I measured 40 amps. be careful, I melted a relay... I re-wired it with one relay for each fan.

post #7 of (permalink) Old 12-31-2001, 12:19 AM Thread Starter
 
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Re: electric fan conversion. Doners?

Well, I found a pair of 14" fans with the following specs:
FHP-34114 Ultra Thin Line 12V Electric Fan
dia width cfm weight amps
14 3.18 1769 3lbs 10.2
I know that 14 is to wide to use duals, but I got a great price on the pair and I am going to use the second as a backup in the spare parts bin.

http://www.csupomona.edu/~sdmiller1/jeep.htm
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post #8 of (permalink) Old 12-31-2001, 12:25 AM
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Re: electric fan conversion. Doners?

I had a 14" PermaCool (2950cfm) on mine in place of the stock unit. It kept the 304 cool on a normal day, but long slow crawling the temp crept up. I just added another one as a pusher behind the grill to keep it in check when summer comes around.

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post #9 of (permalink) Old 12-31-2001, 03:41 PM
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Re: electric fan conversion. Doners?

Flex-a-lite makes a special dual 12" fan just for CJ-7's. Check their webpage for the part number. It was a special order from summit racing for $300. Turns out it's the same fan setup as their low profile part number FLX-210 ($205) from summit racing with a couple of sheetmetal brackets and four small cutouts for bolt head clearance. So basically it's a 100 bucks for the two little brackets. If I did it over again, I'd just go for the $205 fan and mount it myself. It's really powerful and keep my 5.0HO cool in traffic and it's not very loud. I recommend it.

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post #10 of (permalink) Old 12-31-2001, 04:06 PM
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Re: electric fan conversion. Doners?

Can't you do what pbm did and reverse the second as a pusher (you should be able to reverse the polarity)?

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