You'd be hard pressed to boost a 11.1 to one compression engine without knock issues.
Outside of that it depends on what you want out of a track car. Miata is always a popular option, but out of the two you listed i would lean towards the STI as I'm not a big Nissan fan
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Outside of that it depends on what you want out of a track car. Miata is always a popular option, but out of the two you listed i would lean towards the STI as I'm not a big Nissan fan
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