In this round of dyno testing I was using a street roller cam and Comp 26094-16 springs.

http://www.moparmusclemagazine.com/techa...lock/index.html

For the next round of testing we stepped it up to a slightly bigger cam and Comp 26097-16 springs. The second combination hammered out 800 hp at 7000 rpm and the springs were really fairly basic duals.