Thread: 3UR-FE Swap
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Old 01-16-2018, 10:46 AM   #45
BRX
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Quote:
Originally Posted by spitfire481 View Post
direction into and out of the radiator doesn't matter, I even had mine backwards. not having a fan shroud, those small motor fans ( I couldn't get enough airflow with the same units) and having both pushers and pullers (pushers are basically a restriction) are the issues. I spent a ton of time figuring out the best way to keep a swap cool. bigger aluminum rad with a full shroud and dual spals with the big motors was the only way that worked perfect. any other way it would be fine for a while, but eventually heat soak to the point the system could not keep up
That's what we thought initially but we switched the flow direction and took out the thermostat at the same time. So the issue might just have been the thermostat only. I do have the Jackson racing dual radiator and oil cooler and it is much thicker than stock.

I also have the fan shroud made by JDL with the biggest spal fans available and the two pushers are spal as well. I had the pushers installed because of the turbo intercooler I had before blocking the air way and in the summer the AC was having a lot of issues due to the condenser not able to dissipate the heat. I might take them off now but I don't think they're that much of a restriction.

Anyway, heat is not an issue at the moment I might switch the direction flow one more time without a thermostat or with a lower temp one to confirm the direction is not an issue. Also it will look much cleaner.

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