NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Turning On Fans With Pfc (https://www.nopistons.com/ecu-discussions-23/turning-fans-pfc-19930/)

rfreeman27 06-30-2003 12:20 AM

Hello,



Im a bit of an ECU noob.



How do you turn the fans on earlier?



I think you go to settings/watertemp and then change the voltage at certain temps, but do i go up or down...how much...ect.



Sorry for the dumb question, but the manual doesent cover it very well.



thanks



bobby

rfreeman27 06-30-2003 01:30 PM

nobody??? goodness!

JaySpec7 06-30-2003 02:08 PM

hmmm steve played w/ mine.. i'd help ya but i don't know how either.. but mine was set to 89 deg... my FD doesn't go past 90 anymore.. unless i really push it..

Tom93R1 06-30-2003 02:22 PM

Dont change the water temp settings, that will not change when the fans come on.

To change the temp at which the fans come on you need a datalogit.

JaySpec7 06-30-2003 02:48 PM


Originally Posted by Tom93R1' date='Jun 30 2003, 02:22 PM
Dont change the water temp settings, that will not change when the fans come on.

To change the temp at which the fans come on you need a datalogit.

yeah.. oops forgot to mention that..

rfreeman27 06-30-2003 03:03 PM

well ****. My FD runs hot as ****. i see 90's all the time =(

Tom93R1 07-02-2003 03:03 PM

Dont worry about 90's, they are perfectly acceptable. The stock fan settings dont even turn the fan on until I think it was 95 for the low.



Dont worry until you get to 100's.



How are your highway cruising temps? If those are high then fan speed settings wont help anything anyways.

rfreeman27 07-10-2003 10:00 PM

low 90's

rfreeman27 07-12-2003 04:16 PM

ok i actually wtched today. At 75 mph i was stayin at like 87, at 85 mph i was at 86. thats not bad at all.



when i really get on it, the temps go into the 90;s


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