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Message: <blockquote data-quote="EricM" data-source="post: 2058896" data-attributes="member: 20286">That's kinda of all encompassing isn't it?    Is it best for a 9" wide wheel?  How about a 10" wide wheel?  The OEM offset is best from a function standpoint, which is why Ford engineers chose it.  Things like scrub radius, ackerman, and bumpsteer are all greatly affected by the wheel offset.  Ideally, any changes to the offset should be only to adjust for any added wheel width.  Since you can't go much further inward with the wheel lip/inner tire wall before you hit suspension parts, you have to change the offset so the wheel and tire package still fits.  Given the stock offset of +34mm, you'd need to widen the wheel 68mm, or nearly 3" to "need" a 0 offset wheel to clear the suspension.If you are thinking +0 looks good- that's fine, I agree it does look good.  But functionally, it's not "best".  Best is the wheel with the maximum amount of postive offset possible, while still not hitting the suspension.  For a while, Eagle Alloy wheels made a "Raptor fitment" wheel that used stock lugnuts, was 17x9, and had a +8 offset.  They don't make them anymore unfortunately.</blockquote>