NB Miata Engine Coolant
Coolant Capacity
6.3 Qt
6.0 L
Pressure Cap
13.5-17.7 psi
0.95-1.24 kg/cm²
Replacement Interval
48 Months or 60,000 Miles
Coolant Specifications:
Above 3F (-16C)
Above -15F (-26C)
45/55 Mixture
35/65 Mixture
50/50 Conventional Green or Asian Green/Yellow (low-silicate)
Also Acceptable:
Distilled Water / Ethylene Glycol Mixture
Above -40F (-40C)
55/45 Mixture
FL22 is Safe, but Not Required
Information may vary depending on the source. If you notice any information that is incorrect or potentially dangerous, please contact me with supporting citations so I can review and correct it. This is an ongoing learning project and I plan to update the content as I find more accurate and reliable sources.
Sources: