Recommendation: Electric Fans

[rubio9800]

I wouldn't "get rid" of anything if your car has a computer and everything is working. Your heads should have provisions if none in the intake front or rear. Is that a 307?

it’s a pontiac 265, i’m going to leave the computer stuff alone. going to try this and fit new temp switch on upper radiator hose

 

[SoFloG]

Yes https://www.amazon.com/dp/B018FY149S/?tag=gbody-20

This is an option as well. I was going to post the same thing. If you can't find an easy place to install the temp sensor.

 

[Supercharged111]

If you buy aftermarket, then buy a quality setup. I’ve found the budget setups to not be reliable.

Finding a set of fans, choose your model, from a JY has always been reliable for me. Or go with a new set of OE. The Intrepid and 4th Gen Camaro units have worked well for me.

I threw away a set of 4th Gen fans and I am royally kicking myself! They'd be on the Monte now if I hadn't. Guess I'll have to settle for my stock C5 fans.

 

[rubio9800]

Yes https://www.amazon.com/dp/B018FY149S/?tag=gbody-20

This is an option as well. I was going to post the same thing. If you can't find an easy place to install the temp sensor.

i ordered few sizes, theoretically should do the trick

thanks for the feedback

 

[olds307 and 403]

The Dodge Stratus and Plymouth Breeze, 98 to 2005 fans also work with the Cutlass top plate and move a lot of air. I ordered a hose adapter similar from Davies Craig, putting the sensor in it. I had to add a piece of pipe to clear the serpentine setup on my Olds V8's. The Davies Craig controller is by far the best I have ever owned. I bought the one with the push in probe. I just ordered the easily changed(has a plug in connector) screw in probe. It has an adjustable digital display and two 40 amp relays.

 

[Rt Jam]

i have a 180 thermostat , are u saying to get a probe that turns off at 185? if im reading this correctly

Yes

If the thermostat and temperature sensor are perfectly in sync. It could even be OFF at 181 but in the real world, as long as it is high enough to where the fan is NEVER blowing on a radiator that is not circulating.

Basically you are trying to avoid 2 things. One, the thermostat is doing the temperature regulating on the highway. So it's cycling somewhere between open and closed and the fans do not run. It's pointless to have fans running while driving at 60mph.
Two. There may be a situation where the engine finally cools itself to the point the thermostat closes. You do not need the fan running in that situation.

Kind of off topic but probes in the coolant are more accurate. Probes in the air in radiator fins may be cooled by slow driving but the engine coolant is actually too hot.

 

[abbey castro]

it’s a pontiac 265, i’m going to leave the computer stuff alone. going to try this and fit new temp switch on upper radiator hose

why, there a bunch of plugs on the intake to put a temp whatever it is you are doing.

 

[rubio9800]

Yes

If the thermostat and temperature sensor are perfectly in sync. It could even be OFF at 181 but in the real world, as long as it is high enough to where the fan is NEVER blowing on a radiator that is not circulating.

Basically you are trying to avoid 2 things. One, the thermostat is doing the temperature regulating on the highway. So it's cycling somewhere between open and closed and the fans do not run. It's pointless to have fans running while driving at 60mph.
Two. There may be a situation where the engine finally cools itself to the point the thermostat closes. You do not need the fan running in that situation.

Kind of off topic but probes in the coolant are more accurate. Probes in the air in radiator fins may be cooled by slow driving but the engine coolant is actually too hot.

much appreciated , thanks for the feedback.

i’m doing a probe for sure!

 

[rubio9800]

why, there a bunch of plugs on the intake to put a temp whatever it is you are doing.

i couldn’t spot one

 

[rubio9800]

here’s where i am and have hit a hiccup
can’t get fans to engage when wired to the relay.

if i hook fans power directly to battery they run.

here’s how i wired the relay

30- straight to battery (fused)
86- 12v power switched , tapped into fuse box IGN

87-power to fans
fans ground to battery
85- to coolant switch

letting the engine idle , let the temp go past 220 and nothing, no fans come on.

when cars running i have power to all these when checking with a multi meter except for the fans.

i’m assuming no voltage because i can’t get them to engage.


faulty coolant switch maybe? not sure how to test if it works!


any tips? first time doing something like this, also reached out to seller see if any help


thanks fam