HomemadeTurbo - DIY Turbo Forum - how do i make the radiator fan stay on all time w/ign. on?

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- - how do i make the radiator fan stay on all time w/ign. on? (https://www.homemadeturbo.com/hybrid-tech-8/how-do-i-make-radiator-fan-stay-all-time-w-ign-31778/)

crxrx7

12-19-2004 10:57 AM

Re:how do i make the radiator fan stay on all time w/ign. on?

well I am not sure what it does but I would suggest that if you can find the hottest thermostat you can that might be enough to just bring it up a little and be perfect. BTW what is you set up. Kinda sounds like you are running lean mabey.

Dr.Boost

12-19-2004 11:53 AM

Re:how do i make the radiator fan stay on all time w/ign. on?

Quote:

Originally Posted by trebor_nordap

what happens if the engine ran a little cooler?isn't that better to prevent detonation. ???

Something to do with engine wear. I seen a graph once(it might have been a bullshit graph)where it showed metal wear at different temperatures. The wear was way higher in the colder tempertaures below operating temperature.
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robs99si

12-19-2004 01:02 PM

Re:how do i make the radiator fan stay on all time w/ign. on?

Quote:

Originally Posted by crxrx7

why do you say it's running lean?it was dyno tunned.vafc,255fp,fpr,and dsm 450s' for mgmt. i picked up a thermostat today. now, even after hard runs, the temp only goes upto 1/4 of the way at the most. stock it would be just a bit below halfway :-\the car rips though. ;D

baseballinmyass

12-19-2004 01:50 PM

Re:how do i make the radiator fan stay on all time w/ign. on?

to make the fan stay on with the ignition switch just take the green wire out of the temp sensor on the t-stat housing and ground it to the block. that way you dont have to worry about shorting out the fan relay. what i did was put an alligator clip on the wire so i could just unhook it if i didnt want the fan on.

robs99si

12-19-2004 02:19 PM

Re:how do i make the radiator fan stay on all time w/ign. on?

Quote:

Originally Posted by trebor_nordap

well i stripped both wires(without cutting) on the fan switch sensor conn. then i twisted them together and waraped some electrical tape on'em. i had a overheating problem. i gutted the thermostat and did the constant fans on and now it runs way cooler, even after a few hard runs in 3rd and 4th it stays at normal operating temp then falls down a bit if i don't get on it.

that's how i did it. just striped both wires without cutting them, just stripping the insulation. then i twisted them together and insulated them. worked like a charm.

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