>530s? posted by BlackholeZ on November 01, 2011 at 03:47 PM
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sport 500's are ancient very small turbos (stock) modified to be ancient small turbos, that perform pretty solidly better than stock, but thats about it. If you can afford anything better, these are never the right choice.
Sport 530's are a modern properly sized brand new turbo. They provide excellent spool vs power characteristics and are a great choice if they meet your power goals.