My L5 got same problem when using Ron95
pump it around Rm40 can go rm240km...less power..less pickup
my frend suggest me to change it to ROn97
pump it around rm50 can go araoun 280km..more power....
i went to flush my coolant the other day and i saw this TRD thermostat. Tempted, i ask the mechanic to install it. when he open the place where the thermostat is, THERE IS NO THERMOSTAT! my mr2 does not...