The TB Spacer doesn't really affect the tuning... unless it's like 4"+ long. No need to concern yourself about that. As for the MAF Sensor and Throttle Body, the stock units flow all the air the engine can handle. If you were going forced induction then you may have a valid need to change them, but on a stock engine it would most like just be a waste of money. We can tune to correct for any MAF Sensor offsets, but you won't see any noticeable gain from changing the MAF Sensor.
Take care.
__________________
Bill Cohron - The Mad Doctor  
Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1996!
(678) 890-1110
www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar!
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