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Packrat456
06-08-2015, 11:46 PM
Has anyone ever had a radiator just split wide open on the bottom of the radiator? First time I have ever seen this before.
Satisaii
06-09-2015, 08:05 AM
The OEM radiators tend to grow brittle and crack over time. When they turn brown it is time to replace them.
Demon I Am
06-09-2015, 08:31 AM
It's not uncommon
Packrat456
06-09-2015, 10:20 AM
The OEM radiators tend to grow brittle and crack over time. When they turn brown it is time to replace them.
Ok, thanks.
Packrat456
06-09-2015, 10:22 AM
It's not uncommon
That isn't good then. Is there any alternative to the original then?
Demon I Am
06-09-2015, 10:55 AM
Meh, radiators are wear items, it happens. You will get a lot more life out of a full-aluminum radiator, with extra cost of course. or just expect to replace them every 7-8 years.
JamieH
06-09-2015, 11:56 AM
And considering a NA or NB radiator is only $75 (quality Koyo OEM style), and is one of the easiest radiators of any car to replace, it's a minor issue.

NA Koyo rad on Amazon (http://www.amazon.com/TYC-1140-Aluminum-Replacement-Radiator/dp/B000IYPNC8/ref=sr_1_1?ie=UTF8&qid=1433868548&sr=8-1&keywords=miata+radiator+tyc)

NB Koyo rad on Amazon (http://www.amazon.com/TYC-2268-Aluminum-Replacement-Radiator/dp/B000IYPQPC/ref=pd_sbs_263_1?ie=UTF8&refRID=1PW4VQJ9S0PW8TXF5ZB7)

I assure you, they're listed as TYC, but they're Koyo rads. Just make sure you get'em through Amazon and not a 3rd party seller.