Originally Posted by Mario
Sorry but my half size keeps my turbocharged b16a cool, it's not an excuse.
I would check the thermostat man.
a B18 requires more water volume than a B16, if you look at the differences between the radiator of an SIR and a teg they are very different. Honda spec`d a larger radiator for a reason. even though you are running boost, the water volume is still the same, so I do think that this is an "exscuse"