hey, I did the same thing with my 86 just recently but didn't take notice of the gap between the strut and the hub, but if you have the outer race fully pressed in correctly and bearing sitting in the right spot I am sure it would be right.
As for the hub seal it sits flush how you currently have it and this usually is the same with any hub I have found.
hope this helps, if you're still unsure i might be able to get some pics of mine for you.
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