Disagree with C-60 comments. C-40 or below is my preference for IPAs. Sometimes I don't use any Crystal. Nevertheless, 16.7% Crystal is certainly too much in an IPA. Half of that amount would even be pushing it.
Double all of your late hop additions and include a 3 oz. dryhop for 7 days.
If you mash lower than 152 F, add 5-6% corn or table sugar to your current recipe, make a yeast starter of the appropriate health and size, oxygenate the hell out of your wort, ferment at the appropriate temps. and for the appropriate time, then I see no reason why you shouldn't get above 80% attenuation. This will significantly reduce your FG and make your beer drier, which is better for AIPAs as far as I'm concerned.