The difference is that if you're looking for 17's because 14's are hard to find, well, 18's are even easier to find than 17's. It's the same logic as the OP was already using.
And I didn't disparage his choice, or try to talk him into 18's. All I did was share some of the factual benefits of 18's compared to 17's. But that was after I posted a set of 17's for him, and after I said 17's were a good choice. I just shared that if he was willing to go to 17's, there are additional advantages to going to 18's. Not because of how they look, but because of how they perform. It's not my opinion that 18's clear the outer tie rod allowing for larger tires, that's a fact. It's not my opinion that there are more tire choices in 18", that's also a fact.
As far as my opinion, which I haven't shared in this thread, I think 17's look better. And I would run 17's over 18's. But I don't, because on an A-body a 17" rim doesn't have enough outer tie rod clearance to maximize the front tire width. And because 17" tire options are now more limited than 18" tire options. I run 17's on my Challenger because the suspension geometry is different, on an E-body you can use a 0 to +12 offset rim in the front with the max width tire, which doesn't cause tie rod clearance issues. On an A-body you need a +30 offset, which puts the lip of the rim into the tie rod with a 17". Simple as that. Just the facts.
