Engine radiator KOYORAD or OEM Toyota

For your turbo Baja, [Koyorad](https://ebay.us/m/yadARd) is the creme de la creme.

I went with a Koyorad radiator from rock auto and then I also replaced the inlet and outlet hoses with OE. A new OE radiator cap, too. Subarus are fairly sensitive to cooling system parts, so for any mechanical bits (cap, water pump, thermostat, etc) I highly recommend spending on OE.

Just dealt with the same thing with my AP1. The plastic to metal seam fails eventually and causes the leak. I got the Koyorad OE replacement and it was around $100 and took an hour to install.

Koyorad if you want good OEM fitment and a fucking drain bung plus good cooling even for modified engines (we’ve put a bunch of the larger alloy ones into rx7’s)

Bout to hit 300k tomorrow on my 2012 and I’ll I’ve ever replaced is the radiator and a transmission sensor. All the pulleys are oem

im steady at 75°C (167°F) with stock Ka, koyorad radiator, fanshroud and oe/oestyled clutch fan. and iirc, a stock nissan thermostat. hottest ive seen was like 89°C (192°F) and that was sitting in traffic on a hot summer day. idk how im running so cold lol.

I went with the Koyorad on mine. Everything fit perfectly, no modifications needed, which hasn't always been the case for me

Ive had my car enter limp mode multiple times on a high 80 track days. Coolant temp would spike to the 3/4 marks. When I upgraded the radiator to a koyorad I never had issues again.

I got the thicker Koyorad and managed to get it to fit with some redneck engineering, but it was a squeeze.

My first new car was an ‘82 Toyota Celica. I put 3 radiators on that car within 10 years. The OEM radiator had a copper core and plastic tanks, held onto the core with a crimped clamp all around. I don’t think that they paid much attention to expansion rates and coefficients of expansion of different materials when they designed these, and the seals would eventually give out and begin leaking.