Underdrive pullys
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Joined: Jun 2001
Posts: 30
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From: Dago, CA
Underdrive pullys
Has anyone installed underdrive pullys like these on their L?
https://www.f150online.com/cgi-bin/f....html&CODE=162
I've had these on two Mustangs in the past and noticed a difference in acceleration and MPGs.
https://www.f150online.com/cgi-bin/f....html&CODE=162
I've had these on two Mustangs in the past and noticed a difference in acceleration and MPGs.
