My 6.0, S75 turbocharged buick GN on the highway. Running stock motor with cam only, 9.5psi. Stock 4l80, stock 14", 1900 stall torque converter. 275/50-15 drag radials. full 4" exhaust over the axle with 2 Dynomax race bullets. All built by meTags: ls1 6.0 buick GN grand national turbo ls2 |