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spooled240 · 07-24-2018, 08:01 PM

^This. Upgrade to Altima fans. They are not that expensive and they fit very nice over the 240sx radiators with minimal modifications.They move A TON of air. I can feel the air moving through the outside of the grill when they are on, no joke lol.

I wired each fan to it's own relay which were both triggered with the stock a/c fan's relay circuit. Using the factory ECU, the a/c fan circuit was designed to kick on when coolant temp is around 95*C. I do believe this can be customized with most standalone ECU's.

I do plan on adding a thermoswitch like you did so the fans will kick on a little sooner around 80-85*C and a manual override switch in the cabin somewhere.

07-24-2018, 08:01 PM	#3
spooled240 Post Whore! Join Date: Mar 2008 Location: San Diego, CA Posts: 4,203 Trader Rating: (27)	^This. Upgrade to Altima fans. They are not that expensive and they fit very nice over the 240sx radiators with minimal modifications.They move A TON of air. I can feel the air moving through the outside of the grill when they are on, no joke lol. I wired each fan to it's own relay which were both triggered with the stock a/c fan's relay circuit. Using the factory ECU, the a/c fan circuit was designed to kick on when coolant temp is around 95C. I do believe this can be customized with most standalone ECU's. I do plan on adding a thermoswitch like you did so the fans will kick on a little sooner around 80-85C and a manual override switch in the cabin somewhere.