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The best bet is to run a FL299 which is 1.5 inches longer and the same in all other respects, but probably a thicker can since it is longer. But the FL299 is expensive at the dealer. I order the Purolator version (L40017) for $6 at Advance Auto and they have it the next day. This particular Purolator has the Motorcraft-style threaded end bypass valve too.
TallPaul is right! Here's a list of larger filters, including the FL-299. I've cut open "virgin" filters and measured the surface area of the filter element. TP did the same with the Purolator, which I don't have on my list... perhaps he'll post it, as well.
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