how effective is the throttle body spacer on the 6.0l
#1
how effective is the throttle body spacer on the 6.0l
on an 04 f-150 with edge computer programmer and exhaust how effective in hp and mpg would a throttle body spacer help if any? i have had them on gas burner and would say its a waist of money but diesels seem to be alot different in power adders so is it a bunch of bs or legite?
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03-16-2011 06:34 PM