Rest about 60 seconds in between sets. Keep the bar moving smooth but fast.
And go heavy.
Then, please take a minute and read the second installation of an excellent piece by Doc Mike Eades. If you missed part one of this sharp physician's blog post you can get it here. He gives a great run down of a wide variety of experiences that can occur when transitioning (or refocusing) on a lower carb intake.
Either way you'll have to address the nutritional side if you want to get your best performance. Your choice of athletic attire is another matter entirely...