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So I live down south in Louisiana. It gets hot and humid. I have been driving the gto every day for the past few weeks and on my commute in the afternoon I sit in bumper to bumper traffic. My coolant temps get up to about 217 and my trans temp gets to 207. Then once they get there, I get on the interstate and it don’t drop but to 210-212. I’m not liking that. I put two bottles of redline water wetter in today and it only helped by about 3 degrees. Lol.

So here’s what I have. Stock radiator. I actually just bought it new about a month ago so I’d rather not change that right now. I have a cheap trans cooler up front inbetween the radiator and intercooler. I thought about getting a better trans cooler and maybe relocating it under the car in one of the muffler areas with its own fan. Maybe put a fan on the one I have. Put some fans on the intercooler to draw more air in? What you guys think?

I’m really not too keen on an aftermarket radiator. Short story. My buddy bought three. None of them fit correctly. Including a mishimoto. And the trans cooler in them was nothing but a tube.
 

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Another turbo problem...ha. just had to.

Removing the lower grill wont do much. Id suggest trying to do heat managent in the bay. Turbo blanket? Oil cooler would probably help quite a bit. Moving the trans cooler out from the front of the radiator would also. Fans will only help prolong temp rise when stopped/slow moving. I believe its around 30mph that fans arent moving more air than is being fed anyways.
 

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try diverting that air to see if flow to radiator increases with speed rather than decreases.

Sounds like an easy thing to try would be things that can be put back. Like the lower grill.
Do you have a radiator cover (air baffle) on it?
 

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The battle of wits has begun.
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FYI, I have a derale atomic cooler with fan and thermostat that I used for 3 of my 6 transmissions.

The transmissions may of not worked, but this thing did.

I'll sell it to you cheap since its just sitting around my bedroom collecting dust. :thumbs:

I recommend flushing it for piece of mind.

I'll get a photo of it tonight.
 

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Discussion Starter #7
Another turbo problem...ha. just had to.

Removing the lower grill wont do much. Id suggest trying to do heat managent in the bay. Turbo blanket? Oil cooler would probably help quite a bit. Moving the trans cooler out from the front of the radiator would also. Fans will only help prolong temp rise when stopped/slow moving. I believe its around 30mph that fans arent moving more air than is being fed anyways.
LOL, it ran a little warm before the turbo (205ish but the trans ran like 180-190) If you modify an engine...stroke, more compression, turbo, supercharger....its pretty normal for it to run hotter. especially with a stock cooling system like mine is.....so your point is invalid.....lol :)

try diverting that air to see if flow to radiator increases with speed rather than decreases.

Sounds like an easy thing to try would be things that can be put back. Like the lower grill.
Do you have a radiator cover (air baffle) on it?
the cover over the top of the radiator is in place. not sure what you mean by diverting the air? which way? The bottom cover under the car that goes from the lower bumper to the radiator support is missing. I had to remove it for intercooler clearance. I thought about making another one.

FYI, I have a derale atomic cooler with fan and thermostat that I used for 3 of my 6 transmissions.

The transmissions may of not worked, but this thing did.

I'll sell it to you cheap since its just sitting around my bedroom collecting dust. :thumbs:

I recommend flushing it for piece of mind.

I'll get a photo of it tonight.
Pm sent. Might be interested. I have to watch funds right now tho, taking the family on vacation and the wife is giving me a hard time about buying car parts.....
 

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Discussion Starter #8 (Edited)

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What temp tstat are you running? Doesn’t matter when fans come in if water isn’t moving. Also even with a lower temp stat you’ll eventually be back at terminal temp but may buy you some time to get on the highway.
With moving the trans rad I think you’ll still realize that you need more volume to get a lower terminal temp. First I’ve heard of the mish not fitting right after a trim of the lower rubbers.
 

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I thought about getting a better trans cooler and maybe relocating it under the car in one of the muffler areas with its own fan. Maybe put a fan on the one I have. Put some fans on the intercooler to draw more air in? What you guys think?
these aren't bad ideas.

i'm not sure i like setups that sandwich a bunch of heat exchangers together.

since you have a turbo, you might want to consider doing a separate oil cooler as well, if you haven't already.

routing all the lines would suck. i think one of the problem with oil lines is that with longer lines, you end up not having as much pressure and have additional points of failure. just because of that, you may want to find spaces for them in front.

there isn't much real estate up in the front bumper, unfortunately.
 

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Discussion Starter #11
these aren't bad ideas.

i'm not sure i like setups that sandwich a bunch of heat exchangers together.

since you have a turbo, you might want to consider doing a separate oil cooler as well, if you haven't already.

routing all the lines would suck. i think one of the problem with oil lines is that with longer lines, you end up not having as much pressure and have additional points of failure. just because of that, you may want to find spaces for them in front.

there isn't much real estate up in the front bumper, unfortunately.
Yes you are right. I should do an oil cooler. I'm pretty sure that will help, Point of leak/failure id why i havent yet.







Couple tidbits. Accessed the hidden menu at lunch. Voltage at idle is 12.5-12.6. Hmmmm. Maybe the fans arent getting as much power as they could. Bigger alternator pulley is on the to do list now. Had to put an under drive pulley to give me room for the oil drain off the turbo.

Something else. Guy at work has a bone stock 2013 Boss 302 mustang. Standard trans. He said his temp in traffic is 210-217.
 

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Another turbo problem...ha. just had to.

Removing the lower grill wont do much. Id suggest trying to do heat managent in the bay. Turbo blanket? Oil cooler would probably help quite a bit. Moving the trans cooler out from the front of the radiator would also. Fans will only help prolong temp rise when stopped/slow moving. I believe its around 30mph that fans arent moving more air than is being fed anyways.
LOL, it ran a little warm before the turbo (205ish but the trans ran like 180-190) If you modify an engine...stroke, more compression, turbo, supercharger....its pretty normal for it to run hotter. especially with a stock cooling system like mine is.....so your point is invalid.....lol <img src="http://www.ls1gto.com/forums/images/smilies/smile.gif" border="0" alt="" title="Smilie" class="inlineimg" />

try diverting that air to see if flow to radiator increases with speed rather than decreases.

Sounds like an easy thing to try would be things that can be put back. Like the lower grill.
Do you have a radiator cover (air baffle) on it?
the cover over the top of the radiator is in place. not sure what you mean by diverting the air? which way? The bottom cover under the car that goes from the lower bumper to the radiator support is missing. I had to remove it for intercooler clearance. I thought about making another one.

FYI, I have a derale atomic cooler with fan and thermostat that I used for 3 of my 6 transmissions.

The transmissions may of not worked, but this thing did.

I'll sell it to you cheap since its just sitting around my bedroom collecting dust. <img src="http://www.ls1gto.com/forums/images/smilies/thumbsup.gif" border="0" alt="" title="thumbs up" class="inlineimg" />

I recommend flushing it for piece of mind.

I'll get a photo of it tonight.
Pm sent. Might be interested. I have to watch funds right now tho, taking the family on vacation and the wife is giving me a hard time about buying car parts.....
I know just giving you a hard time. As much as it sucks to spend more a larger radiator is going to help.
 

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Discussion Starter #14
I know just giving you a hard time. As much as it sucks to spend more a larger radiator is going to help.


I know. It’s just hard for me to unass $400+ on something I’m probably gonna have to make work. Well from what I saw first hand with my buddy. But his was an 06 and mine is an 04 so I may not have the same issues. I think what I’m going to do is try one thing at a time and see what makes the most difference.
 

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I wanted mine to run a little cooler so I changed the the antifreeze mixture. don't get me wrong the engine still heats up but runs a little cooler in the FL heat and was the cheaper to do before changing fans, t-stats, diverters blah blah blah. I went from 50/50 to 70/30 water/ antifreeze with some purple ice. I would do 100% water but I wanted to keep the lubricants from the antifreeze, which I think are in the purple ice but I wasn't sure at the time. and obviously I used the orange stuff.

plus I did a complete flush and there was some crud that came out so I'm sure that also helped a bit.

I don't know what temps get like in the winter in LA, but in fl the last thing I need to worry about is freezing. I actually need to do a flush and a refill, its been more than 2 yrs. maybe what ill do next time is do a 70/30 mix in a 1gal jug and test it and then do a 90/10 mix and test it. as long as it protects to like 10*F-20*F ill be more than safe, I don't need to worry about those -0*F temps
 

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What temp thermostat are you running?

Puller fans are more efficient than pusher fans. But adding pushers to the front should help move more air over the stacked up heat exchangers you have.

You have the trans cooler in the radiator and an additional trans cooler in front of the radiator, right? How do you have it routed? Through the radiator and then through the auxiliary one?
 

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I wanted mine to run a little cooler so I changed the the antifreeze mixture. don't get me wrong the engine still heats up but runs a little cooler in the FL heat and was the cheaper to do before changing fans, t-stats, diverters blah blah blah. I went from 50/50 to 70/30 water/ antifreeze with some purple ice. I would do 100% water but I wanted to keep the lubricants from the antifreeze, which I think are in the purple ice but I wasn't sure at the time. and obviously I used the orange stuff.

plus I did a complete flush and there was some crud that came out so I'm sure that also helped a bit.

I don't know what temps get like in the winter in LA, but in fl the last thing I need to worry about is freezing. I actually need to do a flush and a refill, its been more than 2 yrs. maybe what ill do next time is do a 70/30 mix in a 1gal jug and test it and then do a 90/10 mix and test it. as long as it protects to like 10*F-20*F ill be more than safe, I don't need to worry about those -0*F temps
You have to consider you have a lower boiling point with less coolant and more water, as well.
 

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You have to consider you have a lower boiling point with less coolant and more water, as well.
water boiling point is 212*F, 50/50 boiling point is about 223*F. the cars run at about 212, so with 10% antifreeze ill still be above that, granted not by much. I've had good success with the 70/30, maybe ill just keep it at that, ill have to do some research
 

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Well, with a big heat snail pumping hot air into his engine, making his oil toasty, and more heat going into the engine just from the additional a/f being burned, i think he would like a margin of error up top in case he makes a real hard run,
 
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