When this happened to me, I had to just bite the bullet and get the mishimoto radiator. Now my Z runs slightly on the cooler side and it’s amazing.
Reviews of MISHIMOTO parts For Business
USA
Mishimoto radiator, all under trays intact, vented carbon hood, dual rotary performance oil cooler thermostats, and mazdaspeed front bumper. She stayed a steady 205.
I usually Autox and track my rx8. My last event it was 90 outside and after fueling and a run my temp was only 205. I do have an aluminum misimoto radiator
Replaced it with that exact same Mishimoto rad and have had zero issues with the fitment or durability for 10+ years and 60k miles later. I believe I saved ~$600 or so by not pursuing OEM replacement.
I got the mishi rad and racing thermo in mine for vegas. Love it, no issues thus far after 2 years.
As for highway driving (when the high speed airflow takes over) I saw little to no difference with my OEM vs Mishimoto All-aluminum radiator. Hot day, w/ and w/o AC temps push 220F easily.
I’ve been using the same one on my skyline for nearly 10 years and lately the coolant has been brown. Mishimoto radiators are good enough
I have Mishmoto ( dont recommend) on my 2016 wrx in Arizona at 110 days w the Ac on it runs at 190-197 on the streets. While on the freeway its at 215 avg while cruising at 80mph. Been on my car since 2017 I think. But this was before CSF and whatnot came around. Can’t wait to save up and switch.
Bought it for my coyote swapped F100 and there was a hole in it from the start. Rewelded the whole thing because wasn’t worth the return when I can just do it myself. Welds just looked like someone just started child labor and it was their first day on the job. Wouldn’t buy one again if I had too.
my Mishimoto leaked/falied apx 10-11 years after I bought it. and keep the receipt, or your lifetime warranty will not be valid
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