Damm sub-contractors.
And adding a few inches here or there is more complicated than it seems, and remember, too, that this was before the horsepower wars. This was the interior accomodation war, and Ford was aiming at Honda in that regard but got last year's model, even with the smaller engine. They sure couldn't afford to give up even more in that regard. This car wasn't meant to be an exotic niche car, it was supposed to be a world-beater.
Of course, most of us here see it differently in hindsight.