RE: Viper Fan upgrade....worth it?

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RE: Viper Fan upgrade....worth it? - 6/18/2007 4:58:20 PM    cesspool Posts: 199 Joined: 5/30/2006 Status: offline If it is more air volume being brought through, then how clould it not be better?  Not that I don't agree wkith you kensai, I want some more info, but time is dwindling down on my trip... (in reply to Kensai) Post #: 16

RE: Viper Fan upgrade....worth it? - 6/18/2007 5:47:09 PM    Kensai Posts: 1669 Joined: 12/30/2003 From: United States Status: online CessPool,     Your logic is correct, if the E-fan can pull the same CFM's a clutch fan can, then logically yes, E-fan should be enough.  But just remember, you have to factor other things to get the heavy duty Efan install such as beefing up your electrical.  If your alternator cannot handle the power requirements of the E-fan, you will have to replace that first.  Alot of thinking and planning when changing out from clutch to Efan. Since your trip is so close, don't make any quick unprepared decisions.  If your D is cooling just fine, leave it be and then look into this again after your trip.  Otherwise, go with a cheap light duty fan clutch.  At least that will not set you back too much should you decide to convert over to Efan.  I think light duty fan clutches runs around $40-$50 bucks?  My severe duty clutch ran me $100.  Way heavy duty but I am glad it is finally starting to break in so my fan does not roar too much. _____________________________ Black 2000 Durango 5.9 R/T Fastman 52mm ThrottleBody Fastman custom built Tranny Castrol Full Syntec OEM K&N Air filter Monroe Reflexes BFG Comp T/A''s Champion IR Truck Plugs 180 Stat Hypertech III (87 oct) Custom Made Ram Air Intake (in reply to cesspool) Post #: 17

RE: Viper Fan upgrade....worth it? - 6/18/2007 7:29:46 PM    cesspool Posts: 199 Joined: 5/30/2006 Status: offline I posted on Moparts.com to see what they have to say..... (in reply to Kensai) Post #: 18

RE: Viper Fan upgrade....worth it? - 6/18/2007 7:50:52 PM    Mean Green Posts: 3189 Joined: 6/22/2006 From: Reno, NV Status: offline Where did you get your fan Ken because mine is a HD and I got it for like $66 after tax. _____________________________ 2000 Durango 5.9L SLT+ Flowmaster 40 "Custom" Ram Air 31" BFG AT T/A KO's Bilstein Shocks Hidden Hitch Sirius Satelite Radio E-fan conversion Smittybilt brushguard SSU's (in reply to cesspool) Post #: 19

RE: Viper Fan upgrade....worth it? - 6/18/2007 10:29:07 PM    Kensai Posts: 1669 Joined: 12/30/2003 From: United States Status: online I think I bought it from O'Reilly auto parts.  If memory serves, they had a regular (light I presume), then a HD model, then a severe duty model.  I bought the severe duty model.  At the time, the only thing in my mind was making sure my Durango runs cool during Texas summer heat, but at the time, I did not consider the kind of noise this severe duty fan can make when starting up the engine when it is cold.   Actually the first severe duty clutch was bad from the box.  Never disengages.  So replaced it with another severe duty clutch and this one seems to be doing what is doing.  However, the severe duty model, the fan roars longer than a regular clutch I presume.  But eventually it will disenage after a few miles of driving from a cold engine start.  So during this time, I just baby the engine until the fan starts to disengage to save gas and wear on the engine.  I can tell my new belt is being strained and starting to slip at times if I really have to hit the pedal with the clutch still locked. _____________________________ Black 2000 Durango 5.9 R/T Fastman 52mm ThrottleBody Fastman custom built Tranny Castrol Full Syntec OEM K&N Air filter Monroe Reflexes BFG Comp T/A''s Champion IR Truck Plugs 180 Stat Hypertech III (87 oct) Custom Made Ram Air Intake (in reply to Mean Green) Post #: 20

RE: Viper Fan upgrade....worth it? - 6/18/2007 11:45:11 PM    IndyDurango Posts: 762 Joined: 6/24/2006 Status: offline Get a $200 Mark VIII fan, cheaper than the Viper setup and pulls MORE air. You can even find them used on eBay for less than $100. Add a good stat to control the thing and you are home free. HTH, IndyD < Message edited by IndyDurango -- 6/18/2007 11:47:22 PM > _____________________________ - Truck of the Month: 07/07 Dakota-Durango.com; 12/06 DodgeForum.com; 1/06 DurangoClub.com - Durangoer of the Year: 2006 DurangoClub.com - Three Time TotM Nominee: DTW.com (in reply to Kensai) Post #: 21

RE: Viper Fan upgrade....worth it? - 6/19/2007 12:13:21 AM    Mean Green Posts: 3189 Joined: 6/22/2006 From: Reno, NV Status: offline Damn Indy where were you with this info before I did my fan replacement. I'll have to look into this to get rid of the parasitic draw for cheap. _____________________________ 2000 Durango 5.9L SLT+ Flowmaster 40 "Custom" Ram Air 31" BFG AT T/A KO's Bilstein Shocks Hidden Hitch Sirius Satelite Radio E-fan conversion Smittybilt brushguard SSU's (in reply to IndyDurango) Post #: 22

RE: Viper Fan upgrade....worth it? - 6/19/2007 12:39:55 AM    Frenchy Third Gen Dakota King Posts: 5351 Joined: 12/11/2003 From: United States Status: offline That, or you can go to a salvage yard, and pull one off of a Lincoln Contintental... as long as it has the 3.8L engine, and an e-fan with three wires, you got the fan that has a low setting of 2500cfpm and a high speed of over 5000cfpm... I got mine for 20 bucks. :D Works PERFECTLY! _____________________________ Click me if you want me at the Dodge Forum Meet and Greet (in reply to Mean Green) Post #: 23

RE: Viper Fan upgrade....worth it? - 6/19/2007 1:07:07 AM    Mean Green Posts: 3189 Joined: 6/22/2006 From: Reno, NV Status: offline Well forget you Indy where were you frenchy??? Oh and BTW what year/s would I be looking for??? < Message edited by Mean Green -- 6/19/2007 1:08:08 AM > _____________________________ 2000 Durango 5.9L SLT+ Flowmaster 40 "Custom" Ram Air 31" BFG AT T/A KO's Bilstein Shocks Hidden Hitch Sirius Satelite Radio E-fan conversion Smittybilt brushguard SSU's (in reply to Frenchy) Post #: 24

RE: Viper Fan upgrade....worth it? - 6/19/2007 1:16:33 AM    Frenchy Third Gen Dakota King Posts: 5351 Joined: 12/11/2003 From: United States Status: offline I got mine off, I believe like a 93 Continental... Seriously, takes a 7/16 socket to take it off, two bolts at the top, cut the three wires as CLOSE TO the little module box you can... then look for rtkota5.9 or whatever's little relay diagram and do it that way... I'll have a how-to up.... Eventually. _____________________________ Click me if you want me at the Dodge Forum Meet and Greet (in reply to Mean Green) Post #: 25

RE: Viper Fan upgrade....worth it? - 6/19/2007 4:16:22 AM    Mean Green Posts: 3189 Joined: 6/22/2006 From: Reno, NV Status: offline I actually snagged a diagram off of dt already but I guess I can compare em. _____________________________ 2000 Durango 5.9L SLT+ Flowmaster 40 "Custom" Ram Air 31" BFG AT T/A KO's Bilstein Shocks Hidden Hitch Sirius Satelite Radio E-fan conversion Smittybilt brushguard SSU's (in reply to Frenchy) Post #: 26

RE: Viper Fan upgrade....worth it? - 6/19/2007 8:13:23 AM    cesspool Posts: 199 Joined: 5/30/2006 Status: offline Indy, is this the fan you are talking about? http://search.ebay.com/search/search.dll?from=R40&_trksid=m37&satitle=Mark+VIII+fan&category0= These markVIII fans sell for $45 on ebay.  Could you give some deatails on hooking it up?  I am completely lost on how I would do it with out instructions.  Will I need to Mod anything? And Most importantly, do you do any towing? Thanks! (in reply to Mean Green) Post #: 27

RE: Viper Fan upgrade....worth it? - 6/20/2007 9:54:37 AM    chemoman   Posts: 61 Joined: 3/30/2007 Status: offline quote: ORIGINAL: Dman98 I did the viper fan upgrade and have no cooling problems. The viper fan is a two speed fan, in my installation I only use the low speed and the high is wired for emergency use via a cabin mounted toggle switch. I used the fan with the a/c on in 95 degree weather, with no problems at all and idling the temp stayed at 188. I upgraded to a 165 amp alternator, the optima yellow top the largest that would fit and this was done because of my stereo system. I don't tow, if I did I'd use the same or use the high speed only which ever works best. How  are ya'll checking your temp this accurately? (in reply to Dman98) Post #: 28

RE: Viper Fan upgrade....worth it? - 6/20/2007 10:46:25 AM    Kensai Posts: 1669 Joined: 12/30/2003 From: United States Status: online For that price, it's hard to pass up.  I may get one to try.  Then we can actually answer everyone's question if the E-fan can actually replace the clutch fan when the D is used for moderate to heavy towing. Just odd that I had yet to see any trucks out there that has a electric fan only setup?  I wonder why the factory does not want to choose a E-fan over a clutch fan on trucks.  Saves gas and reserves more power for get go!  Maybe the clutch fan is cheaper and more reliable in the long run? _____________________________ Black 2000 Durango 5.9 R/T Fastman 52mm ThrottleBody Fastman custom built Tranny Castrol Full Syntec OEM K&N Air filter Monroe Reflexes BFG Comp T/A''s Champion IR Truck Plugs 180 Stat Hypertech III (87 oct) Custom Made Ram Air Intake (in reply to chemoman) Post #: 29

RE: Viper Fan upgrade....worth it? - 6/20/2007 2:36:15 PM    Mean Green Posts: 3189 Joined: 6/22/2006 From: Reno, NV Status: offline Well I just went to the pick-n-pull and picked one up so I gotta get all the wirinig and relays and I'll get this sucker in. I was talking to some guys at the yard and they said they did the same thing with their project 5.0 and the guy at the register said he'd used them before. Another weird thing is he said his 04' was running an e-fan only on the 5.2 and that it came stock, never heard of that on the Dak... They had quite a few cars to choose from too. I actually got mine out of a mercury with the 3.8 so I'm guessing any early 90's 3.8's will do. Here's a diagram I pulled off of DT Thumbnail Image Attachment (1) < Message edited by Mean Green -- 6/20/2007 2:43:13 PM > _____________________________ 2000 Durango 5.9L SLT+ Flowmaster 40 "Custom" Ram Air 31" BFG AT T/A KO's Bilstein Shocks Hidden Hitch Sirius Satelite Radio E-fan conversion Smittybilt brushguard SSU's (in reply to Kensai) Post #: 30

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