Originally Posted by
VegasJen
What I may do regardless, is just switch one of the 75mm stems on a Trek and the 70mm stem on the Specialized and see if that brings them closer together. That way I can get an idea of whether a change will be worth the effort with no investment. I'm thinking that would be really easy to do and cost exactly zero $$$.
Yes, do that. But with a 5mm difference, don't expect to feel anything. See if you can get ahold of a 90mm stem, if only to make a significant enough change that you might be able to tell. You also might try a wider handlebar.