Cooling System Thoughts

[rico05]

Thus far, all I have is a non stock copper radiator (no clue brand, just has solid endtanks....My car was in a light crash b4 I bought it so it was replaced), a new OEM thermo, and new hoses. Up until the last few weeks, I have been seeing ~150^F no matter how hard I run it. But now it is summer and the last few weeks have been 90+ outside, so temps have gone up to as much as ~175^F. I don't think that I need a big crazy radiator or anything, but I am wondering about your thoughts on what would be the most effective means of cooling the engine more. I already run a SMIC to keep rad air flow unhindered, and I am considering a quality air deflector panel and electric fan/shroud combo, but would a bigger rad really be the best option? Thanks mates.

[Ghost_silvia]

Seeing as how I live in Tx too, I went ahead and bought a big crazy radiator setup. But I think that you might want to buy some water wetter, or this stuff made by royal purple (purple ice i think) they say it will decrease your temp by like 10 to 20^f.I'm not to sure about the electric fans tho I plan on doing the fan swap also but will keep my stock fan just in case it's not enough. I wonder if you could use the stock fan and electric fans? that would be cool.

[CA19DET]

well i am in T7T in the caribbean 10* from the equator, and i got myself a 3 core copper radiator when i upgraded my turbo etc, but using this water cooled T3/T4 has me thinking about cooling better..

i am thinking of getting an oil cooler befopre the turbo oil restrictor...

and using a external electric pump and resivior for the water lines for the turbo, and i will use a small oil cooler for those water lines too, also remove the water lines from the TB and intake manifold etc.. i was also going to install a swirl pot witha bleeder, cause right now my return water line goes to my drain/bleed port on my block... so i need an easy way to bleed the air.. and keeping the swirlk pot as the highest part of the system will help this..

i also use HONDA premixed coolant (the BEST) and water wetter from redline... that combo alreayd is the bomb... but when i am running the car hard for hours going to the beach to surf or races etc, it gets lil, hot.. so i have been toying with these ideas..

[c-rad]

Thus far, all I have is a non stock copper radiator (no clue brand, just has solid endtanks....My car was in a light crash b4 I bought it so it was replaced), a new OEM thermo, and new hoses. Up until the last few weeks, I have been seeing ~150^F no matter how hard I run it. But now it is summer and the last few weeks have been 90+ outside, so temps have gone up to as much as ~175^F. I don't think that I need a big crazy radiator or anything, but I am wondering about your thoughts on what would be the most effective means of cooling the engine more. I already run a SMIC to keep rad air flow unhindered, and I am considering a quality air deflector panel and electric fan/shroud combo, but would a bigger rad really be the best option? Thanks mates.

You don't want your coolant temps to drop below 180°F. If they do, the car will revert back to warm-up mode and richen the A/F mixture. Your gas mileage and performance will be less than par. Keep the temps between 180-195 for the best performance.

[rico05]

Well my temps are well below that according to my brand new Autometer full sweep electric gauge. The only issue I could think of is that the adapter only lets about an inch of the sensor into the coolant flow, and the rest of the sensor is slightly recessed into the adapter but it still sees coolant (just not in the direct flow) and it moves and all taht just fine so I assume that the gauge is right.

[sdtouge]

my setup is new water pump, new radiator hoses, new oem theremostat, 2 elctric fans (12") koyo big *** radiator, custom fan ducting thing that are liek 100$ oterewise that go were your hood close )pics upon request) and today i lifted the back of my hood with a couple washers and also removed the carpet stuff undernaeth the bottom of the hood.

via my autometer temp qgauge the hottest i got at drift day 24 was 185 farenhiet. i am down for that.

your temps will be fine rico, 150 is ridiculously cold, but hey i dont mind my car running cold always either lol.

i am thinking of some more things to do for cooling so i wil post them up if i find any. oh i also have a smic and i cut out a big *** hole out of my bumper for the shroud so it can get air. i also will post pics of that on request lol.

[float_6969]

Do you have A/C? If so, have you tried pulling your radiator and spraying out the Condenser with a power washer? You'd be amazed how blocked up it is.

[rico05]

Hell no I have no A/C. Lol. I forgot that the hood prob dropped the indicated temps by about 10 degrees on its on at speed (no lie). I think I will save my pennies and get a air deflector and see where that puts me. I think ARC to match my intercooler

http://www.raretrick.com/index...=6517

As for intake temps, my ARC SMIC stays very cold and the coldpipe is damn near chilly on some days. I also built an IC sprayer for those really hot days and it works really well so I think my issues are simply coolant/oil. Hmmm...maybe an oil cooler could be fabbed up as well...Ideas Ideas Ideas

[c-rad]

Hell no I have no A/C. Lol. I forgot that the hood prob dropped the indicated temps by about 10 degrees on its on at speed (no lie). I think I will save my pennies and get a air deflector and see where that puts me. I think ARC to match my intercooler

http://www.raretrick.com/index...=6517

$145? Hells no.... Ebay for $50.

[float_6969]

I bought a Hayden oil cooler adapter with a built in thermostat for my CA on eGhey. The thermostat is nice because it only allows 10% of the volume of the moving oil to flow into the cooler until you reach 180degrees, upon which it opens and allows full flow. You also don't want a thermostat that completely emlinates flow to the cooler while the motor is warming up because you can get air pockets in the lubrication system. I don't have it installed yet, but it looked like it should work pretty well.

[sdtouge]

this weekend was the same as last weekned:)temps stayed at 180 during th driving ans 175 while at idle

im thinking about rasing the back of my hood like 1/2 inch or so and taking off my front bumper at the track for some more airflow. also that watetr wetter stuf works niceley ive heard.

[c-rad]

this weekend was the same as last weekned:)temps stayed at 180 during th driving ans 175 while at idle

im thinking about rasing the back of my hood like 1/2 inch or so and taking off my front bumper at the track for some more airflow. also that watetr wetter stuf works niceley ive heard.

Did you guys miss my post? Those temps are PERFECT. You don't want it any cooler than that. I am pretty sure the ECU warmup temp is 80°C which is like 175-177°F.

Keep in mind, that if you are running a 180° thermostat, that means that it opens at 180° and that your temps will usually be a little higher than that. Even if you ran a 160° thermostat (why? I don't know....), your temps would still probably be in the mid to high 170s.

[float_6969]

You're dead on Chris. Unless you've got a reprogrammed ECU, those cooler temps are going to cause the ECU to retard the timing and richen the mixture. The latter may be OK, but the former isn't.