Title says it all, the stock rad just isn't cutting it anymore, I'm running hotter than I'd like (specifically hotter than I was for the past few years)

Specific temps aside, I want an upgraded rad - I know you all feel my shipping cost pains....

 

go to JRP and grab a CSF rad they have them in stock. they take a bit of wiggling to fit in and bolt up but is a high quality radiator.

CSF Radiators | Ultimate Performance Cooling

 

I looked online and the Koyo and Fluidyne kept coming up (the Greddy options are kind of confusing)... it looks like the Fluidyne isn't available any more, so I'd be looking at the Koyo N-Flow. Seems to go for a little under $300 USD. See if you can get one from Touge Tuning in Mississauga – they seem to stock the other Koyo rads.

 

I bought my Koyo from here a couple of months ago:

https://www.iraceautosports.com/prod...-95-mazda-rx7/

 

I went with the Koyo N-FLO. Box said Made in Indonesia and I installed it from the top. It can be difficult to drop into place but the cooling is excellent.
I found one BNIB from a local RX-7 owner.
You could get one shipped to Niagara Falls, NY from any US seller. Luckily the border for you is 1 hour away.

 

So, this happened. Service from TDot Performance in toronto was excellent. Ordered it yesterday came in today. Free shipping.

 

They're practically giving away Mishimotos. Notice how no one here recommended or even mentioned Mishimoto/eBay?

Ron Davis, Fluidyne or Koyo would have been much higher quality and much easier to make fit, especially if you have 2 oil coolers .

 

I’ve had my fluidlyne for over 18yrs. Great replacement upgrade. Sad to hear they don’t make them anymore.
The other go 2 rad was the Koyo. I do remember a lot of people having issues fitting them. They’re a pita to install. But otherwise a great rad as well.

 

How does the Mishimoto look?

 

So Koyo rad is the one to go these days ?

 

I'm pretty happy with my Mazdaspeed radiator (installed by the previous owner). Looks like it is built by AWR – could be pricy:

https://www.awrracing.com/pages/cooling.html

 

Quite honestly it looks like a decent piece of kit.


The ultimate irony is, the rad I pulled out - which I assumed was stock like every other single piece in the car.... was a Koyo. Twice as thick as the Mishi, buuuuuut it wasn't keeping the car as cool as it used to , so I'm torn if I should leave that one in or install the Mishimoto

 

I bought a mishimoto rad for my supra when i had twins, figured it would be adequate fir 400+ hp, that same radiator, 6+ years later, 700+ whp now, and still have it, works like a charm. i had full intentions of upgrading to a koyo, or fluidlyne for my single turbo, bigger numbers etc, but was never needed. Very impressed with how well it performs for cost. Zero leak issues, still on stock cap that came with it(I've heard they can have issues). Why replace something that isn't broken?