1 quick question: are you using your A/C? If so, do the following test; drive around with the A/C off, if you see that temps don't go as high as before, you're facing the same issue I'm facing. It's not the IC, it's the A/C condenser which is blowing hot air on to the radiator. That, coupled with the IC blocking part of the radiator is your problem.

FWIW, if that is the case; I must say I haven't found a solution yet. I'm asking around to see if I can place the A/C condenser at some other location.

 

200 seems normal to me. Thats the temps I get with my Mishi rad.

Why would you want an engine cooler then its normal operating temp anyway?

I imagine a good cooling system wont make an engine run colder, but instead will be able to maintain the correct operating temperature under all driving conditions.

 

are the fans coming on? if you cant get below 200*F on a 70*F day with fans, then there's a problem.

 

Yes the fans do come on but they dont come on until almost 220 for some reason and then shut off at about 205 and they are still running off of the stock ecu. I haven't figured out how to get MS to control them. (Think I need to run a wire for them?)
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220? You mean 215.

Your easy therm values might be screwy if this is whats happening.

To control fans, you need to install a trigger circuit into the MS.

 

When Scott built my MS he did the fan mod. I just need to know how to get it to work.

FYI all my temps are based on the prosport gauge that is installed in the upper rad hose right after the t-stat.
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its in megatune under fan control


temps seem off when it's coming on, stock thermoswitch should have them coming on at 205-210*F

 

Thats it, just go into fan control and set it. No special wiring?
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Car has been sitting at idle for about 1/2 now with the cap off. Lots of air came out and it seems to be doing fine. Prosport gauge shows 200/ MS shows 214 when the fans come on. They stay on for about a minute then shut off. MS shows about 198 and the gauge about 190.
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Came to blab about air in your system, but you found it.

 

lol yeah, I also suspect my rad cap is no good. Im going to pick up a stock cap and see how it behaves.
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nope. that's it.

set the ON temp and OFF temp and unplug your thermoswitch.

set it to come on really low to make sure the operation is correct.

 

I run the 16 psi one, simply because that is what was already there. I think either the 16 or 13 would be fine.
Stephanie

 

Going to try that now.

Thanks Stephanie.
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Fan control section is grayed out. Can't make any changes. Waddu I do?
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then go to basic setting > codebase and outputs

change JS0 from water injection to Fan control.

 

Did that, then set the fans to come on at 170, off at 160 and it didn't work.
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^^^???
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hmm. did i actually build that mod for you?

 

Well, I know I wanted it. How can I tell if it has it or not?
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