turbo AR

Yeh you could do that also, but can still run the risk of the 2nd pump failing and starving under boost. Not a big chance of it happening.. But it can.

Your rear gear is fine, I wouldn't change it. I'm running 275/60 et streets, glide, and 3.0:1 rear gear 9" to start. I have a few gear sets here if it doesn't respond well. Turbos definately love load.. Know a few guys running around 2.75 rear gear