Radiator help...FMIC causing overeating

[metalhedskater]

Originally Posted by kjewer1

It should be in the vfaq. It involves tying the secondary fan to the main fan at the relay box. That takes care of any over current concerns That is the mod I was refering to. The ECU will still turn the fans on at 210, but with 2 they will actually do something.

The AC creates a lot of heat! Even with both fans on it is unlikely that you can run the AC with a big FMIC and not overheat without doing some more work. Shrouding as I mentioned earlier, an extraction vent in the hood is a good idea (EVO came with one, for reference). An externail oil cooler can take some more load off the cooling system. Etc. You can also reduce the amount of coolant in your mix, but if you are having other problems this is just more likely to make the boilovers worse when it gets to that point. Coolant sucks at transfering heat, water is better, so some poeple switch to a 80/20 or 90/10 mix, with some water wetter. I would try this last though, unless you think you are running a relatively high concentration of coolant, like 50% for example. Sounds like you don't actually over heat any more, so reducing your coolant concentration should be ok. Just remember to put it back up for the fall.

Awesome Kevin thanks! I will definately try some more fixes and keep the updates coming. As for the shrouding im gonna search on some more forums and the net in gerneral ro fins some examples i can feed off of. Hopefully i can soon have the A/c on and not overheat. Thanks!