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Old 01-06-2013, 04:27 PM   #15
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I did a little more research. Looks like the FL400S has a 20psi bypass. The FL910S has a 14psi bypass filter.
Conclusion: Motorcraft FL-910S 14psi bypass
Purolator PL10241 12-15psi bypass
only use Purolator PL20195 12-15psi bypass if you want a longer filter.
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