clutch/mech fan to electric fan conv.

[RWKHausSupply]

http://store.summitracing.com/partdetail.asp?autofilter=1&part=PRM%2D19114&N=700+0&autoview=sku

SO is this adaquate? its rates at like 2950cfm and is only 14" dia. My concern is the 3.75 deep. I would mount it within the stock shoud mostly though..

Any idea's?

I would do a adjust on/off with temp sender, with a A/C override and manual switch off and with a manual On for crawling.

Currently I have no cooling issues at all. Never above 210, Just looking to get as much little power adders as poss.

Thanks

[Slo-Sho]

Be sure and let us know how this works out for you. Why couldn't you run two 97+ 8 blade electric fans? When my electric fan comes on at idle the temp gauge plummets.

[RWKHausSupply]

I have read that the stock A/C elect fans dont have enough CFM for a full time duty fan with only another A/C fan

[GSequoia]

You now Robert, everybody I know who's swapped over to only electric fans that I'm aware of (partiuclarly when teh rigs are still streeted) has ended up going back to the mecahnical / electric setup.

[RWKHausSupply]

You now Robert, everybody I know who's swapped over to only electric fans that I'm aware of (partiuclarly when teh rigs are still streeted) has ended up going back to the mecahnical / electric setup.

thats what I have read in places, yet also read how some people swear by it, and they seem to be active in this board also.

I am hoping to hear first hand experience. But no one yet..

I dont see how a 2950cfm fan couldnt work as well as a clutch fan. Expecially when teamed up with a variable speed controler that they have out now. Meaning when the temp gets to a set temp, it turns it on to 60% of total, then as it gets closer to the max temp you tell it, it goes to 100% on. Its variable from the 60 up to the 100% as it gets hotter. All that for like 60-85$.

I think alot of the people that do the swap are not all that savy, and they leave out some form of necc. in order to get this to work. Liek the shroud, or they use a lower CFM fan (thats got to be the biggest one), or they dont get a good fan controller. Or who knows what esle. I would also imagine that some have a faulty system to start with that is over heating, then they figure they will convert to the elect setup cause that will solve there cooling issues.Well if the system is bad to start with a bad radiator, or A/C fan, or who knows what else, then this will not fix it prolly?

ALl in all I think if its thought out then is should be a good convers. that also yields about 5hp min then up to around 10hp in the heat when the clutch would be pulling in for more fan.

[Michaelarchangelo]

Well, you are going to have to remove the pulley for the clutch fan and get a shorter belt. I had problems with my fan that was only 2 3/4" deep.


Edit: my fan was a 14" that pulled 2300cfm and works fine. Then again, we are getting into the cooler season here in Florida, so I don't know what will happen next summer.

[RWKHausSupply]

Well, you are going to have to remove the pulley for the clutch fan and get a shorter belt. I had problems with my fan that was only 2 3/4" deep.


Edit: my fan was a 14" that pulled 2300cfm and works fine. Then again, we are getting into the cooler season here in Florida, so I don't know what will happen next summer.

Any pictures? And did you use the stocker shroud and locate the fan inside the shroud and use as much od the space in there as poss?

[Michaelarchangelo]

I don't have a digicam, so no pics, sorry! Yes, I used the old shroud, but I think Im going to redo it as there is a lot of space between the fan and the shroud (it was getting late and I was getting annoyed).

[XJING]

You now Robert, everybody I know who's swapped over to only electric fans that I'm aware of (partiuclarly when teh rigs are still streeted) has ended up going back to the mecahnical / electric setup.

I have had the dual 12" slim-line flex-a-lites on for many years now. Its hot as hell in Fl. in August idleing with the A/C on and wheeling and never going above 210. So everybody I know LOL has gone to one type of electric fan or fans swap in all types of different rigs. (Street n trail)
I didn't have to remove my fan pulley, just cut off the excess threads off the studs. But my fans are only 2.5 " deep, and at 2500 CFM they work great, most people think 2500 isnt enough. But it is. If its a true 2500 CFM
One thing needs to be made clear, if you dont have all the parts of your cooling system workign correctly, it does not matter what type of fan you are using.
Secondly, if you are not having problems with the stock set up, the HP difference is negligable, so its not worth doing if your doing it for hp. good luck

[RWKHausSupply]

I don't have a digicam, so no pics, sorry! Yes, I used the old shroud, but I think Im going to redo it as there is a lot of space between the fan and the shroud (it was getting late and I was getting annoyed).

So the entire fan housing is pretty much flush with the motor side of the stock shroud? Given the fan motor will be protruding out of the shroud some? I am hoping that with the right fan and all that I should be able to get away with just doign bolts thought the pully to the shaft flange and yield enough space..

[Michaelarchangelo]

When you remove the bolts, it should give you plenty of clearance for the fan.

[RWKHausSupply]

I have had the dual 12" slim-line flex-a-lites on for many years now. Its hot as hell in Fl. in August idleing with the A/C on and wheeling and never going above 210. So everybody I know LOL has gone to one type of electric fan or fans swap in all types of different rigs. (Street n trail)
One thing needs to be made clear, if you dont have all the parts of your cooling system workign correctly, it does not matter what type of fan you are using.
Secondly, if you are not having problems with the stock set up, the HP difference is negligable, so its not worth doing if your doing it for hp. good luck

Cool good to know.

but how can you say the HP is negl? I would have to think that from past experiences (with v-8's though) that theres got to be a min of 5hp at idle or off idle at all times, then when the clutch is locking up and its hot, to closer to 10hp? And if I can get 10hp for about 100$ then thats a Good payout. 10$ per HP is a good buy in my book. I mean heck people here are spending close to 1200-2000$ for strokers that only yield 50-100hp more, right? Not to mention its only a hour to three of fab and work.

[Michaelarchangelo]

Plus the motor seems (ass dyno) to rev faster than it did before.

[SCW]

You now Robert, everybody I know who's swapped over to only electric fans that I'm aware of (partiuclarly when teh rigs are still streeted) has ended up going back to the mecahnical / electric setup.

I didn't, now you know one, lol.

[XJING]

Cool good to know.

but how can you say the HP is negl? I would have to think that from past experiences (with v-8's though) that theres got to be a min of 5hp at idle or off idle at all times, then when the clutch is locking up and its hot, to closer to 10hp? And if I can get 10hp for about 100$ then thats a Good payout. 10$ per HP is a good buy in my book. I mean heck people here are spending close to 1200-2000$ for strokers that only yield 50-100hp more, right? Not to mention its only a hour to three of fab and work.

See I'm used to V-8's as well. and I did the electric fans, a high altitude CPS, a new homemade fresh air intake, and my bored Tb all within a week, Already had a borla and custom mandrel bent exhaust. So with all the mods together yeah got a little butt dyno. But its been so long and I my xj isn't my DD and hasnt been in a long time. so maybe you will notice it more...

[Dr. Dyno]

You now Robert, everybody I know who's swapped over to only electric fans that I'm aware of (partiuclarly when teh rigs are still streeted) has ended up going back to the mecahnical / electric setup.

Then I must be one of the exceptions because I've been running dual electric fans for 6 years and I'd never go back to the 5lb paperweight of a stock clutch fan.

[Crawler]

I'll second what Dino said.

I followed his example and advice and have an excellent working double electric set-up, and I spend lots of time in the mojave and sonoran deserts during summer, even with a/c blasting in PHX/LV afternoon rush-hour traffic.

The key is in the shrouding once you've worked out the clearance issues.

I'll never go back.

[Slo-Sho]

What may I ask is the supposed amperage draw of these successful electric fan conversions at their highest speed?

[RWKHausSupply]

What may I ask is the supposed amperage draw of these successful electric fan conversions at their highest speed?

9.8amp, 12v

[Dr. Dyno]

What may I ask is the supposed amperage draw of these successful electric fan conversions at their highest speed?

I don't know what the amp draw of my second electric fan is but I still have the stock 90amp alternator and haven't had any problems with the battery discharging.

[Michaelarchangelo]

And if that isn't good enough alternator output for you, do what I did and upgrade to the GC alternator.

[RWKHausSupply]

I think he is going to give the argument that the extra load on the alt creates just as much drag on the crank as a mech fan. But I dont agree what so ever..

[Michaelarchangelo]

And of course electric fans don't run constantly, whereas the mechanical one is always going to create drag on the motor :)

[XJING]

What may I ask is the supposed amperage draw of these successful electric fan conversions at their highest speed?

My duals are drawing 20 amps. but between my stereo, amps, eq, and lights. I am sure I am using another 22-25 amps at idle I have a built alt. I dont think the alt is any harder to turn just cus you are putting more load on it, especially one that is built for more amps at idle and beyond. With everything on at idle I still am on the good side of 12V

[offroadman83]

My 2nd electric fan draws ungodly amounts of battery draw. So much I don't wanna put my sweet stereo in it as I am afraid it will drain away at whats left. ---------Kyle

[xtrememtbiker85]

http://store.summitracing.com/partdetail.asp?autofilter=1&part=PRM%2D19114&N=700+0&autoview=sku

SO is this adaquate? its rates at like 2950cfm and is only 14" dia. My concern is the 3.75 deep. I would mount it within the stock shoud mostly though..

Any idea's?

I would do a adjust on/off with temp sender, with a A/C override and manual switch off and with a manual On for crawling.

Currently I have no cooling issues at all. Never above 210, Just looking to get as much little power adders as poss.

Thanks


So is this fan a good choice or not? i am trying to decide whether to replace my fan clutch or get an electric for a dd xj on 35s in NH where we have very hot summers and cold winters.

Does anyone have a step by step write up on making an install like the setup you guys have been discussing in this thread? What is the best route to take and how do i get there, i am not too good on knowing what kind of fan is good and what the requirements are and such. Thanks

[seanyb505]

THis is the one I went with. http://store.summitracing.com/partdetail.asp?autofilter=1&part=FLX%2D116&N=700+115&autoview=sku I wired it right into the other electric fan and it works perfectly. I would say about 2-3 hp were gained, and I deleted the fan pulley too. Heres the write-up I followed: http://www.go.jeep-xj.info/HowtoElectricFan.htm I found it wouldnt fit with the pulley still there so I didnt have a choice but to cut the fan pulley out. Good luck!

[xtrememtbiker85]

Now that one says it draws 11 amps but earlier in the thread they said dont go beyond 9.5 i believe. I am not too worried about wiring i can get a speed control and do all the wiring i just want to get a fan that will fit relativly easily and will be a good enough fan to get the job doe and stop over heating.

I currently, have a CSF 3 core all metal radiator, and a Flow cooler high flow water pump and a hd t stat and once the out side temp is above 60* my jeep goes over 210 and the electric aux fan stays on till i start moving again.

[seanyb505]

I have been running it without issue.