Why do people grind and polish intake and exhaust ports? To smooth out the flow of air and gasses. The Toronado Fuel Saver does just the opposite, it causes the flow to be turbulent, and to me that's the opposite of a good smooth flow.
Pat Goss on PBS's Motor Week did a somewhat scientific test on this, and said to save your money!
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'89 LX 5.0 - 5 speed. Original Owner
'94 E-150 4.9 Hi-Top Conversion Van
'06 Mustang V-6, 5 speed
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