Cooling overhaul project

[Thefunk]

My understanding is that with a liquid to air setup, it doesn’t matter how much you upgrade, heat soak is inevitable. It is prolonged with larger more efficient bits however it still happens.
Also:
When an air to air is front mount like old school aftermarket setups, then while sitting in traffic without air flowing through, it can be an issue. But. It doesn’t look like that is how Z1 has designed theirs. If they sit up against the rad/ a/c condenser, then when the fans kick on they will pull air through and cool the intercoolers off. (I believe this is how they are setup.)
Mk2 MR2’s had an air to air setup with a fan which worked fine. Also if one were having cooling issues with an air to air setup, you could add a couple Spal fans to the mix and take care of it.

The fans turn on when the water temp hits a threshold right? How would that help the air temp if the threshold water temp isn't reached to activate the fans?

 

[5thZ]

I guess if it's really a problem you could always get spray nozzles to shoot water on the intercooler lol

 

[VR30Infection]

The fans turn on when the water temp hits a threshold right? How would that help the air temp if the threshold water temp isn't reached to activate the fans?

With an air to air setup there is no issue while the car is moving. So, any worry would be regarding things like stop and go traffic in which the fans would turn on to keep the car cool. I wasn’t implying that you would be relying on the fans. Just pointing out that with them up against the condenser and radiator, when the fans kick on, it would help the equation. Have you ever driven a car hard extracting the performance out of it and not had the fans kick on?

 

[VR30Infection]

I guess if it's really a problem you could always get spray nozzles to shoot water on the intercooler lol

We used to do that back in the day. Run the windshield washer setup to spray the intercooler. Never extracted any data but we were convinced it was amazing. Lol