3rd Generation Specific Talk about 3rd gen RX-7's here.

Anyone Ever Try This Poor Mans Fan Mod...

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Old May 10, 2005 | 04:41 PM
  #31  
Signal 2's Avatar
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[quote name='GreyGT-C' date='May 10 2005, 04:16 PM']the fan mod really has NOTHING to do with keeping the coolant cool....It's to move fresher air into the engine bay and keep the engine and turbos from sitting there at rediculous temps.

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^Exactly. Fan mod for underhood temps, Miata/FC thermoswitch for lower coolant temps. They work together. I also wrapped my DP which also seemed to help alot.
Old May 10, 2005 | 05:04 PM
  #32  
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yes the fan mod i was talking about was NOT for when teh car is running, its for only after it is off to blow out the hott air from the car to prevent heatsoak
Old May 10, 2005 | 05:09 PM
  #33  
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[quote name='nopistons94' date='May 11 2005, 01:19 AM']You don't need it because you live in Japan and these cars are like 5 dollars there. But also, Americans are crazy heh.

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Not $5, but $5,000
Old May 10, 2005 | 06:40 PM
  #34  
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[quote name='jspecracer7' date='May 10 2005, 06:09 PM']Not $5, but $5,000

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bah, can i come be your rotary apprentice !
Old May 10, 2005 | 07:17 PM
  #35  
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for everyone that wants to do what i said (pull the ac fuse) it is fuse G-03 in the front fusebox...its second from the left
Old May 10, 2005 | 08:21 PM
  #36  
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[quote name='SilverSeven' date='May 11 2005, 10:15 AM']The hood should help a bit by giving the hot air an easier outlet, but not as much as the fans.



For reference, my personal experience has been this; stock body, major rad ducting, no fans, my car would run around 92-95C. After shutdown, I would see up to 108C on the commander ten minutes later. With fan switch mod, I run around 75-85C (depending on how I drive), then lets say I shutdown with temps at 82C, ten minutes later I turn the key back on and water temp is around 68-70C. And keep in mind the water temp sensor is in the case, so running the fans does help cool the motor itself, not just the coolant in the radiator.

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SilverSeven, thanks so much for sharing your temps. I haven't done the fan mod can cearly see the difference now with numbers. Your temps are looking great. Once I get mine done up, I'll post differences.



Thanks again guys. This is a great topic.



EDIT: I forgot to mention that my car temps currently runs EXACTLY like how yours was running. It'll be interesting to compare after I complete my fan mod.
Old May 10, 2005 | 08:30 PM
  #37  
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i have a very small vent on my hood... and no wheelwells, and i have never seen my water temps over 90deg. even when i just turn the car off for a few mins and then turn it on.
Old May 10, 2005 | 09:10 PM
  #38  
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[quote name='FikseRxSeven' date='May 10 2005, 09:30 PM']i have a very small vent on my hood... and no wheelwells, and i have never seen my water temps over 90deg. even when i just turn the car off for a few mins and then turn it on.

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running no wheelwells is dangerous to motor life though martin, especially since you don't have a filter. But like you said, ghetto mans water injection
Old May 10, 2005 | 10:33 PM
  #39  
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[quote name='GreyGT-C' date='May 10 2005, 01:16 PM']the fan mod really has NOTHING to do with keeping the coolant cool. The car isn't running.... no water is moving. It's to move fresher air into the engine bay and keep the engine and turbos from sitting there at rediculous temps. Yes, a vent hood makes a huge difference....a fan mounted to the underside of the hood blowing thru the vents would be the best solution, other than a EWP running after shutdown.

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Well, regardless of HOW it's doing it, the simple fact is that my water temps are cooler while driving and cooler after shutdown with the fan switch, and that's what's important.
Old May 10, 2005 | 11:05 PM
  #40  
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really.... FO!



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