keep in mind that it reads 1600deg in the manifold ... well ... there is already a problem , cause temp. in the exhaust manifold should be around 1500 instead , and 1200 on the other side of the turbo.I've cheked the air fuel mixture of a stock MSP on the dyno with a wide band O2 sensor , and (boom05) , we have found that Mazda doesent know what they are doing when i comes to turbocharging ..... the mixture is to rich or to lean , there is no middle .....