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No need for an introduction, let’s check out our second prototype!
So what can we tell from these images? The unit as a whole is very precise, and the TIG-welding is straight and accurate. All mounting points and adjustments to the previous version should make this a drop-in fit. One major difference you will notice from the GR radiator is the lack of an overflow port on the passenger top tank. On the previous generation, this line would run to the expansion tank located on the intake manifold. The FA20 does not utilize such a reservoir, so this port is removed.
Let’s take a closer look at the core of this prototype!
The fin height is a touch shorter than the stock core, allowing us to fit more tubes into the radiator itself.
A quick measurement of the prototype core thickness reveals the 35mm core we designed!
Here are a couple shots of this prototype next to the stock radiator.
The Mishimoto prototype unit dwarfs the factory radiator! This increase in size will have a substantial effect on cooling performance, something we plan to test very soon! After verifying that this unit fit perfectly in the vehicle, we set a plan to collect data so we could compare the cooling efficiency with the stock radiator. Check back next time for a full rundown on the testing process and our results!