which is better, clutch or no clutch?

[Moisabamf]

water pump that is. my dad wants to know, so lets go!

[thisismatt]

I would say clutch. The clutch allows the fan to freewheel when the engine is cool enough, taking load off the engine when the fan is not necessary.

[The love of JDM]

Personally Id ditch the clutch fan and go with an electric one. Less drag on the motor and an electric fan is better at cooling.

[Moisabamf]

Personally Id ditch the clutch fan and go with an electric one. Less drag on the motor and an electric fan is better at cooling.

 

pshshshs, ive heard some electric fans and they are LOUD!

[yello620]

I plan to ditch my clutch fan and go electric. Some electric fans might be loud, but only when they are on. Unlike a stock fan that sounds like an airplane everytime you rev the motor. And the electric should hardly ever come on unless you are in heavy/slow traffic. Provided that you have the fan control switch set up right.

[72240z]

I have read a lot that suggests any gain from electric fan under normal driving rpm range is bs.

 

I have also had TWO name brand electric fans go out on me and leave me stranded. Who can say a mechanical fan ever did that to them? I'm sure the ratio is drastically smaller but I guess the app is imp too. In any event it IS adding more things that can go break/ go wrong.

 

If your going to use a mechanical fan though I'd vote 100% clutch if not your just adding and wasting rotational resistance for no reason.

If your going to use electric choose well and make sure it has a control option/relay.

Edited June 22, 2009 by 72240z

[DISLEXICDIME]

i vote no clutch they make the engine vibrate at high rpm's a lot more then the non clutch fan

[motavated]

Do you want a fan? I have this Ford Mark VII fan which is the best you can find. 30$.. That is what I paid for or OBO. I'm sticking with clutch.

[datzenmike]

I plan to ditch my clutch fan and go electric. Some electric fans might be loud, but only when they are on. Unlike a stock fan that sounds like an airplane everytime you rev the motor. And the electric should hardly ever come on unless you are in heavy/slow traffic. Provided that you have the fan control switch set up right.

 

Totally agree with this approach.

[Moisabamf]

Unlike a stock fan that sounds like an airplane everytime you rev the motor. A

maybe im obsessed with Top Gun! ever think of that?????:D

[Farmer Joe]

i vote no clutch they make the engine vibrate at high rpm's a lot more then the non clutch fan

 

do they really? when i wrap up the l20 n the kingcab it gets a weird vibration like the motors gonna fly apart.

 

with my next check i was plannin on getting a non clutch fan from and older truck. i had the sound of the 7 blade fan.

[DISLEXICDIME]

do they really? when i wrap up the l20 n the kingcab it gets a weird vibration like the motors gonna fly apart.

 

with my next check i was plannin on getting a non clutch fan from and older truck. i had the sound of the 7 blade fan.

 

you know exactly what i am talking about my l20 with a clutch fan did that same thing

 

the 2 best things you can do to make a l20 feel smooth in the upper r's is ditch the clutch fan and balance the clutch pressure plate and fly wheel together

Edited June 22, 2009 by DISLEXICDIME