Hey yall,

I know that this topic has been covered in depth before, but after a week of searching, I haven't been able to find the answer I was looking for. After finding numerous problems with me fan clutch, pulley, and fan blade (they're all tweaked and vibrate a bit, I know it't not the water pump cause I just changed it and it don't wobble) I'm thinking of going with the tuarus fan or a new hayden electric fan.

-If I wire the fan to my ingnition and leave it on all the time, does anybody thnk it will be a problem? Will it put excessive wear on the alternator or burn the fan motor out in no time? (truck is bone stock with no other electrical gadgets)

-Would I be better off wiring it to the ignition with a kill switch for long highway trips?

Thanks guys, any advice is appreciated. I just don't want to keep spending dough on fan components when I could go electric for soooo cheap. BTW, I know there is a proper way to wire these fans (thermostat, relay, fuse, etc.) I just don't trust sticking a probe in between the radiator fins as a trustworthy way to turn on my fan.

-shawn

 

hey... you need to read THIS!

i LOVE my electric fan...

https://www.yotatech.com/forums/f2/electric-fan-variable-speed-controller-installed-61008/

 

Only reason I see for putting an electric fan in your truck or runner is to use a switch to turn it off when your making a deep water crossing.

I do want to put one on my truck but i'm looking what if any other advantages it would have other than what I meantioned above.

 

increased throttle response and theorhetically better highway mileage (in the application i used) since the fan is off as long as the airflow thru the radiator is sufficient to maintain temp.

 

On the flip side the stock fan puts out a heck of a lot more air and it's more reliable.

 

i bet a stock 3.4l fan doesn't put out more air than this volvo fan does. when it cranks up on a hot day w/ the AC on, it moves some SERIOUS air. w/ the stock fan in stop and go traffic (or crawling), when the engine is at idle, so is the fan. w/ the electric fan, the speed is at it's GREATEST when you're in stop & go and crawling cause that's when you get the least amount fo forced airflow. as speed of the vehicle increases, the airflow required of the electric fan decreases. i think it's a MUCH better setup in my opinion. as long as you use a good, reliable fan and a good, reliable controller, then you shouldn't have any worries. i have both, and am good to go.

 

I actually bookmarked this thread

Simple Question: Should the electric fan be set to pull or push air?

 

i have mine set for a pull - just like the OEM fan was and just like the electric fan was designed for. that's the easiest way to go - just match same-for-same and you shouldn't have any problems.

stay away from flex-a-lite and black magic fans. go w/ an OEM fan that will fit. you'll get better service and less noise and cheaper to buy and cheaper to replace if you ever need to.

as far as the question of "has my gas mileage increased" - not that i've noticed - it wouldn't be much anyway. i've done alot to my rig in the last 6 months including pulling the supercharger, a regear, adding an arb front locker, and going from 285's to 305's. all that and the electric fan was pretty much at the same time. put it this way, i had a SC w/ the stock gears and 285's and got a consistent 17.5-18.0 on the highway. now i have the heavier front locker, added the electric fan, geared to 4.56's, NO supercharger, and larger 305's and i'm at the same MPG's.

 

You might want to check this writeup out also. This is not my truck and it is a 4 banger but the parts are the same.
http://www.tacomaterritory.com/forum...ad.php?t=13632

I put this setup on my truck back in Feb. I have had only positive results with this fan and controller. It is an 18" metal bladed fan that only pulls 10 amps and fits in the stock fan shroud so air is being pulled across the entire radiator. I hooked mine to a switched 12 volt source and also put a switch inline so I could turn it off if I ever wanted to (like water crossings). The controller is set to activate the fan at 185 degrees. I was totally surprised by how seldom the fan actually comes on. As long as there is air flowing through the radiator, the engine runs cool enough so the fan is not required to turn on. My truck has a lot of performance mods and my results may not be the same as yours will be but I gained 7.5 RWHP on the dyno and 1-1.5 MPG around town. I haven't gone on a long trip with the fan so don't know what the gain is at cruising speeds.

Pics of my fan installed on the 3.4 are in my webshots link.

Dave