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  #1  
Old September 13th, 2004, 08:36 PM
BrknRvr
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Ben Kemple
Locked '94 D-90 33"MTR
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Flex Fan for a 90

Does anyone make a flex fan for the 3.9? I hear they are cheaper and dont need a fan clutch.

Thanks
BrknRvr
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  #2  
Old September 14th, 2004, 02:39 AM
Hollywood
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alex howell
94 d90
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the flexi-a-lite 210 is available through summit racing, also available is an override switch. i got it installed and it rocks. my radiator guy said it seemed like it was made for the d90.
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  #3  
Old September 14th, 2004, 01:30 PM
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jaherring
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Jason Herring
94 D90 ST #1253
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I installed dual 12" Hayden electric fans. It only took an afternoon and it works great! No more clutch fan (which had a worn-out clutch for me), no chance of overheating due to low RPMs in stop-and-go hot weather traffic, and some measure of redundancy with two fans. This probably saves more HP by having less of a load on the engine.

I could have gone with one larger fan (14" is the biggest that will fit height-wise) but the dual 12" fans look like they were made for this radiator. I'm super-happy with the result.
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  #4  
Old September 14th, 2004, 01:53 PM
scrover
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Steve Cooper
93 RRC LWB
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Quote:
Originally Posted by BrknRvr
Does anyone make a flex fan for the 3.9? I hear they are cheaper and don't need a fan clutch.

Thanks
BrknRvr
I got a metal fan from Autozone for $24.95 (I think that's what you where asking about right?). The fan is an Imperial 220618 - that's the one for my multi-belt 4.2 - serpentine is the opposite version. It still uses the stock fan clutch but eliminates the exploding plastic fan. There is an aftermarket fan and clutch that fits - I think you'll find that info. with a quick search on Pirate.

SC
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  #5  
Old September 14th, 2004, 04:47 PM
artm
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Arthur Maravelis
97 SW
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If I were to install electric(s) I would definitely add a sensor circuit to warn me when one's dead. I don't know if that's a standard feature but it should be.
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  #6  
Old September 14th, 2004, 06:16 PM
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jaherring
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Jason Herring
94 D90 ST #1253
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I thought about adding a sensor circuit and I might do that later. For now I figured having two fans would be good enough - slim chance of both failing at the same time and I think even one of these things could keep the engine cool (the two of them really cool it down quick once they fire up).
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  #7  
Old September 15th, 2004, 10:02 PM
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Mike Hippert
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94 D-90 Grinding Rover
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You will know when they stop, they are very noisy and you can hear them over the engine at idle, but I would wire each fan on it's own, so if you break one then the outher keeps going.
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  #8  
Old September 16th, 2004, 02:53 AM
slowpoke496
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Bryan
94
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Location: Bay Shore, NY
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Good write -up on install

BrknRvr,

take a looks at the write up in the Custom Mods link. Very useful!
http://www.defendersource.com/mod/fan.html

Slowpoke496

PS
I too got mine from Summit.
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  #9  
Old September 16th, 2004, 02:16 PM
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jaherring
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Jason Herring
94 D90 ST #1253
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I got mine from the corner auto parts store - actually they are two single fans rather than one unit in a plastic housing. That is certainly a more involved installation in that writeup than need be, IMHO, though it is perhaps sturdier. The little fasteners that go through the radiator work fine & seem to hold the system in place nicely.

The included radiator-installed fan swich (thermostat - on at 189F, off at 168F) seems to work fine, though I'd like to change to one perhaps on the thermostat housing w/o giving up the air conditioner cutoff switch. Something to be worked out later.

I have some pics of the installation I can post if anyone is interested.
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  #10  
Old September 20th, 2004, 08:37 PM
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Dave Souza
1995 Defender 90 SW #275
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I'm interested in seeing the pics... post away!
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