David Vizard's PowerTec 10 EP 25 Vortec 5.7/350 Vs LS 706 w/o and w/mods, the best of basic mods.

In this , episode 25, DV investigates the advantages (or not) of going with the later LS 706 casting Chevy instead of the classic 350 Vortec Chevy. From there he looks into the mods needed to extract the most from the least work from the 706 casting. Though amongst the most numerous it is commonly considered to have the least performance potential. Here is how to make the best of a 706 castings with basic porting techniques. Including flow #'s, swirl, port energy, and Coefficient of Discharge curves IOP Porting software TorqueMaster software