706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in a back to back shootout. We ran the 706/862 (4.8L/5.3L) heads against the 241 (LS1), 317 (6.0L truck) and 799/243 (LS6/L33) heads. This test was run on a modified 5.3L with a cam, headers and Fast LSXRT intake. We also compared the 706 vs 799 on a larger 6.0L with interesting results-video to be up soon.

свернуть