Project Honda Civic EJ: Staying Cool with Koyo and HPS

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When photographing the radiators for comparison, we saw something in the Koyo radiator that we hadn't noticed before. I know that we've said time and time again how well made these radiators are, but we were pretty surprised when we took a closer look at the fins in the core.

At first glance, you see a pretty standard design. But take a closer look and you'll see that not only are the fins spread further apart for more efficient air flow through the core, but each louver is striated for greater surface area resulting in maximum heat dissipation.

 Honda Civic EJ: Koyo All Aluminum Racing  Radiator and HPS Silicone Hoses
 

Next, we tied this all together with a HPS silicone coolant hose kit for the Honda Civic SI. Made from high temp 3-ply reinforced silicone, these hoses can withstand temperature ranges from -65 to 350 degrees Fahrenheit. 

Honda Civic EJ: Koyo All Aluminum Racing  Radiator and HPS Silicone Hoses
 

HPS designed this kit to be an exact fit for our application, so installation of these hoses went the same way most Honda modifications go: Plug n' play.

Honda Civic EJ: Koyo All Aluminum Racing  Radiator and HPS Silicone Hoses
See how the bends are perfectly formed. No fudging or kinking of the hoses here.

As a finishing touch, we added a Password: JDM aluminum radiator stay. We also got an awesome carbon fiber cooling plate while we were at Password JDM, but we'll show you that later when we finally get around to installing it.

Honda Civic EJ: Koyo All Aluminum Racing  Radiator and HPS Silicone Hoses
And this is one of the reasons I love my Honda. I could never find little trinkets and finishing touches like these for my NX2000. I bet you guys had to google image “NX2000” to even be sure what car I was talking about.

Project Honda Civic EJ had taken a backseat for Project Nissan 240SX Land Speed Racer since it was the 240SX's maiden voyage to Bonneville this past August. But, now that Bonneville's Speed Week is behind us, it's time to wrap things up and FINALLY get this car on to the dyno and back out on to the racetrack.

Stay tuned for the next installment of Project Honda Civic EJ – we're almost done! (But are we ever really “done”?)

 Read all about Project Civic Here!

 

Sources

ARP

ASR (A Spec Racing)  Suspension Engineering

Energy Suspension

Enkei Wheels

HPS Performance Silicone Hoses

JE Pistons 

K1 Technologies

Koyo Radiators

Fast Brakes

Nitto Tires

Password JDM

Seibon Carbon

Skunk2

Suspension Techniques

WPC Treatment
 

 

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