cooling issues..., fine when driving, spikes when stopped. Options

[malaga_red75]

subaru JDM EJ25 DOHC

So, got my conversion finally road worthy and have noticed that while I am driving around, the car stays at around 200 F. when i stop, or let it idle in my garage... the temp slowly climbs and doesnt stop (i shut it off around 230 F). I am assuming this is an issue with my fans.

I am running a front mounted radiator, using 2 push-style fans. A few things that i think may be wrong...

-There is no shroud around the fans... just the shroud that seals the radiator to the front (since they are push fans, they are mounted on the front side of the radiator, in between the radiator and the nose of the car)

- there is about a 1 1/2" gap between the fans and the radiator (this was just the way that ended up working for mounting the fans)

anyways, i am pretty sure that the cooling system is working (no kinked lines, thermostat working, fans do turn on) as indicated by driving and the temp staying cool, there is just something not working when i stop moving. let me know what you guys think.

-Peter

[malaga_red75]

well, I think (fingers crossed) that the cooling system is finally working properly.

As budman mentioned, I did not have any return lines to the thermostat while it was closed. So today, I bought a T valve and some more lines and ran a return line from the heater output on top of the crossover pipe down to the thermostat where it Tee'd off to my expansion tank. Took it for a test drive and the temp stayed at or below 180 the entire time. When I came to a stop, it rested at 185, and thats only with one fan pulling right now (i broke the other one, idiot mistake). so THANKYOU budman for the answer. Thanks to Mike as well for coming down and helping me get the air out of my system.

Hopefully this will be it and I wont have to burp the system again.

-Peter