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Ball bearing turbos are superior in every imaginable way. Where they really shine is in the transient response....it won't choke the motor so much under vacuum because they build boost coming off of deceleration and in between shifts much much quicker than journal bearing turbos do. The fact that it is available for just $500 more is pretty incredible, granted I know next to nothing about the turbine. I've heard that it's a GT3076 knock-off...that's about as far as I know about it. People usually make around 300 wheel or a bit more on pump gas with GT30 framed turbos on this car which is well within the safety zone if tuned properly. So I'm not sure where the built motor comment is coming from?
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