anyone tried spiral max

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Jan 16, 2005 | 02:32 PM

squeaky

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Joined: Jan 2005

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anyone tried spiral max

I have a 1998 expy with the 5.4 and was thinking of trying the spiral max to better my fuel economy. Anyone tried these yet? thanks

Jan 16, 2005 | 03:59 PM

triton_2002

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From: South Texas

Looks the same as that tornado thing. Just wasting your money. Make sure your maintenaince is up to date, tires are properly inflated, ect., that should help with fuel economy

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