Since you have so much experience, I'm sure you already know that you can consciously knit tighter. The problem, I'd think, would come from having to do that for an entire project--it would be too easy to slip back into your own groove.
I'm not aware of any technique that will allow you to make your knitting tighter automatically. All that comes to mind is to maybe double your yarn and still use small needles. This is off the top of my head, so I'm not really sure it would work.