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2. Miller then switched his attention to replacing our stock TBI unit with his Super Flow piece. Before showing you the good stuff, though, here's a look at a stock throttle-body. The stock bore size is 111/16 inches each per side, and the restrictive ridge around each opening hinders airflow.
Mission 305, Part II

 2. Miller then switched his attention to replacing our stock TBI unit with his Super Flow piece. Before showing you the good stuff, though, here's a look at a stock throttle-body. The stock bore size is 111/16 inches each per side, and the restrictive ridge around each opening hinders airflow.  View Related Article

 

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