Originally Posted by imrob

I would try some smc 6500 70 c pack's. I use those for 2wd and the 4x4. For the last 2 years almost now. No problems at all. You have to get them from the smc site. I can go Like 10 minutes or more on a pack in the 4x4 running a 4.5 ballistic. And not hit the low cut off yet.